Optical imaging system set, imaging device and electronic device

Abstract

The present invention discloses an optical imaging system group, comprising ten lenses. The ten lenses are sequentially a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens along an optical path from the object side to the image side. The ten lenses respectively have an object side surface facing the object side direction and an image side surface facing the image side direction. The second lens has a negative refractive power. The tenth lens has a negative refractive power, and at least one of the object side surface of the tenth lens and the image side surface of the tenth lens has at least one inflection point. When specific conditions are met, the optical imaging system group can simultaneously meet the requirements of miniaturization and high imaging quality. The present invention also discloses an imaging device having the above optical imaging system group and an electronic device having the imaging device.

Description

Technical Field

[0001] The present invention relates to an optical imaging system set, an imaging device and an electronic device, and in particular to an optical imaging system set and an imaging device suitable for electronic devices. Background Art

[0002] As semiconductor process technology becomes more advanced, the performance of electronic photosensitive elements has been improved, and pixels can reach smaller sizes. Therefore, optical lenses with high imaging quality have become an indispensable part.

[0003] As technology advances, the application scope of electronic devices equipped with optical lenses is becoming wider, and the requirements for optical lenses are becoming more diverse. Since it is difficult for existing optical lenses to strike a balance between requirements such as imaging quality, sensitivity, aperture size, volume or viewing angle, the present invention provides an optical lens to meet the requirements. Summary of the invention

[0004] The present invention provides an optical imaging system set, an imaging device and an electronic device. The optical imaging system set includes ten lenses in sequence from the object side to the image side along the optical path. When certain conditions are met, the optical imaging system set provided by the present invention can simultaneously meet the requirements of miniaturization and high imaging quality.

[0005] The present invention provides an optical imaging system group, comprising ten lenses. The ten lenses are sequentially a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens from the object side to the image side along the optical path. The ten lenses respectively have an object side surface facing the object side direction and an image side surface facing the image side direction. The optical imaging system group also includes an aperture. The second lens has a negative refractive power. The tenth lens has a negative refractive power, and at least one of the object side surface of the tenth lens and the image side surface of the tenth lens has at least one inflection point. The distance between the aperture and the image side surface of the tenth lens on the optical axis is SD, the distance between the object side surface of the first lens and the image side surface of the tenth lens on the optical axis is TD, the curvature radius of the image side surface of the ninth lens is R18, the curvature radius of the object side surface of the tenth lens is R19, the distance between the object side surface of the first lens and the imaging plane on the optical axis is TL, and the maximum imaging height of the optical imaging system group is ImgH, which satisfies the following conditions:

[0006] 0.60 <SD / TD<1.20;

[0007] -1.20<(R18+R19) / (R18-R19)<1.30; and

[0008] 0.50 <TL / ImgH<2.50。

[0009] The present invention further provides an optical imaging system group, which includes ten lenses. The ten lenses are, in order from the object side to the image side along the optical path, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, and a tenth lens. The ten lenses respectively have an object-side surface facing the object side and an image-side surface facing the image side. The optical imaging system group further includes an aperture. The tenth lens has a negative refractive power. The object-side surface of the tenth lens is concave near the optical axis, and at least one of the object-side surface and the image-side surface of the tenth lens has at least one inflection point. The distance between the aperture and the image-side surface of the tenth lens on the optical axis is SD, the distance between the object-side surface of the first lens and the image-side surface of the tenth lens on the optical axis is TD, the radius of curvature of the image-side surface of the ninth lens is R18, the radius of curvature of the object-side surface of the tenth lens is R19, the spacing distance between the ninth lens and the tenth lens on the optical axis is T910, and the thickness of the first lens on the optical axis is CT1, which satisfy the following conditions:

[0010] 0.60 < SD / TD < 1.20;

[0011] -1.20 < (R18 + R19) / (R18 - R19) < 1.30; and

[0012] 0 < T910 / CT1 < 3.5.

[0013] The present invention further provides an optical imaging system group, which includes ten lenses. The ten lenses are, in order from the object side to the image side along the optical path, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens, and a tenth lens. The ten lenses respectively have an object-side surface facing the object side and an image-side surface facing the image side. The optical imaging system group further includes an aperture. The first lens has a positive refractive power. The image-side surface of the eighth lens is concave near the optical axis, and the image-side surface of the eighth lens has at least one convex surface at the off-axis position. At least one of the object-side surface and the image-side surface of the tenth lens has at least one inflection point. The distance between the aperture and the image-side surface of the tenth lens on the optical axis is SD, the distance between the object-side surface of the first lens and the image-side surface of the tenth lens on the optical axis is TD, the radius of curvature of the image-side surface of the eighth lens is R16, the radius of curvature of the image-side surface of the ninth lens is R18, the radius of curvature of the object-side surface of the tenth lens is R19, the focal length of the optical imaging system group is f, and the focal length of the first lens is f1, which satisfy the following conditions:

[0014] 0.30 < SD / TD < 1.20;

[0015] -5.0 < (R18 + R19) / (R18 - R19) < 5.0;

[0016] 0.15 < f / R16 < 8.0; and

[0017] 0.20 <f / f1<4.0。

[0018] The present invention provides an image capturing device, which comprises the aforementioned optical imaging system set and an electronic photosensitive element, wherein the electronic photosensitive element is disposed on an imaging surface of the optical imaging system set and has at least 40 million pixels.

[0019] The present invention provides an electronic device, which includes at least two imaging devices, and the at least two imaging devices are both located on the same side of the electronic device. The at least two imaging devices include a first imaging device and a second imaging device. The first imaging device includes the aforementioned optical imaging system group and an electronic photosensitive element, wherein the electronic photosensitive element is arranged on the imaging surface of the optical imaging system group. The second imaging device includes an optical lens group and an electronic photosensitive element, wherein the electronic photosensitive element is arranged on the imaging surface of the optical lens group. The maximum viewing angle of the first imaging device differs from the maximum viewing angle of the second imaging device by at least 30 degrees.

[0020] When SD / TD meets the above conditions, the position of the aperture can be effectively balanced to facilitate controlling the volume of the optical imaging system group.

[0021] When (R18+R19) / (R18-R19) satisfies the above conditions, good imaging quality can be provided at different object distances.

[0022] When TL / ImgH meets the above conditions, it can ensure sufficient light-collecting area while compressing the total length of the optical imaging system to avoid dark corners around the image.

[0023] When T910 / CT1 meets the above conditions, it is helpful to improve the image quality of the periphery of the image when taking close-up shots.

[0024] When f / R16 satisfies the above condition, the curvature of the image-side surface of the eighth lens element can be controlled to assist the optical imaging system in correcting peripheral aberrations.

[0025] When f / f1 satisfies the above condition, it can ensure that the first lens provides sufficient light-gathering capability at the object side of the optical imaging system, and avoid excessive aberrations caused by excessive curvature of the lens surface.

[0026] The above description of the content of the present invention and the following description of the embodiments are used to demonstrate and explain the spirit and principle of the present invention, and to provide further explanation of the claims of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 A schematic diagram of an imaging device according to a first embodiment of the present invention is shown.

[0028] Figure 2 From left to right are the spherical aberration, astigmatism and distortion curves of the first embodiment.

[0029] Figure 3 A schematic diagram of an imaging device according to a second embodiment of the present invention is shown.

[0030] Figure 4 From left to right are the spherical aberration, astigmatism and distortion curves of the second embodiment.

[0031] Figure 5 A schematic diagram of an imaging device according to a third embodiment of the present invention is shown.

[0032] Figure 6 From left to right are the spherical aberration, astigmatism and distortion curves of the third embodiment.

[0033] Figure 7 A schematic diagram of an imaging device according to a fourth embodiment of the present invention is shown.

[0034] Figure 8 From left to right are the spherical aberration, astigmatism and distortion curves of the fourth embodiment.

[0035] Fig. 9 A schematic diagram of an imaging device according to a fifth embodiment of the present invention is shown.

[0036] Fig.10 From left to right are the spherical aberration, astigmatism and distortion curves of the fifth embodiment.

[0037] Fig.11 A schematic diagram of an imaging device according to a sixth embodiment of the present invention is shown.

[0038] Fig.12 From left to right are the spherical aberration, astigmatism and distortion curves of the sixth embodiment.

[0039] Fig.13 A schematic diagram of an imaging device according to a seventh embodiment of the present invention is shown.

[0040] Fig.14 From left to right are the spherical aberration, astigmatism and distortion curves of the seventh embodiment.

[0041] Fig.15 A schematic diagram of an imaging device according to an eighth embodiment of the present invention is shown.

[0042] Fig.16 From left to right are the spherical aberration, astigmatism and distortion curves of the eighth embodiment.

[0043] Fig.17 FIG. 4 is a schematic diagram of an imaging device according to a ninth embodiment of the present invention.

[0044] Fig.18 From left to right are the spherical aberration, astigmatism and distortion curves of the ninth embodiment.

[0045] Fig.19 A schematic diagram of an imaging device according to a tenth embodiment of the present invention is shown.

[0046] Fig. 20 From left to right are the spherical aberration, astigmatism and distortion curves of the tenth embodiment.

[0047] Fig.21 A schematic three-dimensional diagram of an image capturing device according to an eleventh embodiment of the present invention is shown.

[0048] Fig. 22 A three-dimensional schematic diagram of one side of an electronic device according to a twelfth embodiment of the present invention is shown.

[0049] Fig.23 Draw Fig. 22 A three-dimensional schematic diagram of the other side of the electronic device.

[0050] Fig.24 Draw Fig. 22 A system block diagram of an electronic device.

[0051] Fig.25 A three-dimensional schematic diagram of one side of an electronic device according to a thirteenth embodiment of the present invention is shown.

[0052] Fig.26 A three-dimensional schematic diagram of one side of an electronic device according to a fourteenth embodiment of the present invention is shown.

[0053] Fig. 27 A schematic diagram illustrating parameters T910, Y32, Y102, and inflection points and critical points of a partial lens according to the first embodiment of the present invention is shown.

[0054] Fig.28 A schematic diagram showing a configuration relationship of the light path turning element in the optical imaging system according to the present invention is shown.

[0055] Fig.29 FIG. 4 is a schematic diagram showing another configuration relationship of the light path turning element in the optical imaging system according to the present invention.

[0056] Fig.30 A schematic diagram showing a configuration relationship of two light path turning elements in an optical imaging system according to the present invention is shown.

[0057]

Explanation of symbols

[0058] 10, 10a, 10b, 10c, 10d, 10e, 10f, 10g, 10h, 10i, 10j, 10k, 10m, 10n, 10p…imaging device

[0059] 11…Imaging lens

[0060] 12…Driver

[0061] 13…Electronic photosensitive element

[0062] 14…Image stabilization module

[0063] 20, 30, 40…Electronic devices

[0064] 21, 31, 41…Flash module

[0065] 22…Focus assist module

[0066] 23…Image signal processor

[0067] 24…User Interface

[0068] 25…Image software processor

[0069] 26…Subject

[0070] C…critical point

[0071] P…Inflection Point

[0072] IM…Imaging surface

[0073] OA1…First optical axis

[0074] OA2…Second optical axis

[0075] OA3…Third optical axis

[0076] LF…Optical path turning element

[0077] LF1…First optical path turning element

[0078] LF2…Second optical path turning element

[0079] LG...Lens Group

[0080] 100, 200, 300, 400, 500, 600, 700, 800, 900, 1000… aperture

[0081] 101, 201, 301, 501, 601, 701, 801, 901, 1001… aperture

[0082] 110, 210, 310, 410, 510, 610, 710, 810, 910, 1010…First lens

[0083] 111, 211, 311, 411, 511, 611, 711, 811, 911, 1011…object side surface

[0084] 112, 212, 312, 412, 512, 612, 712, 812, 912, 1012… Image side surface

[0085] 120, 220, 320, 420, 520, 620, 720, 820, 920, 1020… Second lens

[0086] 121, 221, 321, 421, 521, 621, 721, 821, 921, 1021…object side surface

[0087] 122, 222, 322, 422, 522, 622, 722, 822, 922, 1022… Image side surface

[0088] 130, 230, 330, 430, 530, 630, 730, 830, 930, 1030…Third lens

[0089] 131, 231, 331, 431, 531, 631, 731, 831, 931, 1031…object side surface

[0090] 132, 232, 332, 432, 532, 632, 732, 832, 932, 1032… Image side surface

[0091] 140, 240, 340, 440, 540, 640, 740, 840, 940, 1040…The fourth lens

[0092] 141, 241, 341, 441, 541, 641, 741, 841, 941, 1041…object side surface

[0093] 142, 242, 342, 442, 542, 642, 742, 842, 942, 1042… Image side surface

[0094] 150, 250, 350, 450, 550, 650, 750, 850, 950, 1050…Fifth lens

[0095] 151, 251, 351, 451, 551, 651, 751, 851, 951, 1051…object side surface

[0096] 152, 252, 352, 452, 552, 652, 752, 852, 952, 1052… Image side surface

[0097] 160, 260, 360, 460, 560, 660, 760, 860, 960, 1060…sixth lens

[0098] 161, 261, 361, 461, 561, 661, 761, 861, 961, 1061…object side surface

[0099] 162, 262, 362, 462, 562, 662, 762, 862, 962, 1062… Image side surface

[0100] 170, 270, 370, 470, 570, 670, 770, 870, 970, 1070…The seventh lens

[0101] 171, 271, 371, 471, 571, 671, 771, 871, 971, 1071…object side surface

[0102] 172, 272, 372, 472, 572, 672, 772, 872, 972, 1072… Image side surface

[0103] 180, 280, 380, 480, 580, 680, 780, 880, 980, 1080…Eighth lens

[0104] 181, 281, 381, 481, 581, 681, 781, 881, 981, 1081…object side surface

[0105] 182, 282, 382, ​​482, 582, 682, 782, 882, 982, 1082… Image side surface

[0106] 190, 290, 390, 490, 590, 690, 790, 890, 990, 1090…9th lens

[0107] 191, 291, 391, 491, 591, 691, 791, 891, 991, 1091…object side surface

[0108] 192, 292, 392, 492, 592, 692, 792, 892, 992, 1092… Image side surface

[0109] 193, 293, 393, 493, 593, 693, 793, 893, 993, 1093…10th lens

[0110] 194, 294, 394, 494, 594, 694, 794, 894, 994, 1094…object side surface

[0111] 195, 295, 395, 495, 595, 695, 795, 895, 995, 1095… Image side surface

[0112] 197, 297, 397, 497, 597, 697, 797, 897, 997, 1097...Filter elements

[0113] 198, 298, 398, 498, 598, 698, 798, 898, 998, 1098…imaging surface

[0114] 199, 299, 399, 499, 599, 699, 799, 899, 999, 1099...electronic photosensitive elements

[0115] Y32…The maximum effective radius of the image-side surface of the third lens

[0116] Y102…The maximum effective radius of the image side surface of the tenth lens DETAILED DESCRIPTION

[0117] The optical imaging system comprises ten lenses, and the ten lenses are sequentially arranged from the object side to the image side along the optical path, namely, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens. The ten lenses respectively have an object side surface facing the object side direction and an image side surface facing the image side direction.

[0118] The first lens may have positive refractive power, thereby providing the main focusing ability to effectively compress the space of the optical imaging system to meet the requirements of miniaturization. The object side surface of the first lens may be convex near the optical axis, thereby reducing the angle between the light and the lens surface to avoid total reflection.

[0119] The second lens may have negative refractive power, thereby balancing the aberrations produced by the first lens, thereby correcting spherical aberration and chromatic aberration. The object side surface of the second lens may be convex near the optical axis, and the image side surface of the second lens may be concave near the optical axis, thereby balancing the light path directions in the tangential direction and the sagittal direction, thereby facilitating the correction of astigmatism.

[0120] The image-side surface of the third lens may be concave near the optical axis, thereby balancing the viewing angle and volume of the optical imaging system to meet product requirements.

[0121] The fourth lens element may have positive refractive power, thereby balancing the refractive power of the fifth lens element to reduce overall aberration.

[0122] The image side surface of the eighth lens may be concave near the optical axis, and the image side surface of the eighth lens may have at least one convex surface off the axis. Thus, the effective radius of the eighth lens can be increased to correct the peripheral light, thereby effectively avoiding peripheral image deformation and maintaining the brightness of the peripheral image.

[0123] The image side surface of the ninth lens may be concave near the optical axis, and the image side surface of the ninth lens may have at least one convex surface off-axis, thereby enhancing the off-axis aberration correction capability of the image side end of the optical imaging system and facilitating the reduction of distortion and image curvature.

[0124] The tenth lens may have negative refractive power, thereby facilitating a miniaturized module to reduce the size of the device. The object side surface of the tenth lens may be concave near the optical axis, thereby helping to maintain good image quality at different object distances. The image side surface of the tenth lens may be concave near the optical axis, and the image side surface of the tenth lens may have at least one convex surface off-axis, thereby helping to shorten the back focus and avoid excessive size to meet the needs of miniaturization.

[0125] In the optical imaging system disclosed in the present invention, at least one of the object-side surface and the image-side surface of at least three lenses may have at least one inflection point, thereby helping to correct image curvature to meet the characteristics of miniaturization and make the Petzval surface of the optical imaging system more flat. Among them, at least one of the object-side surface of the tenth lens and the image-side surface of the tenth lens has at least one inflection point, thereby helping to correct off-axis aberrations and reduce the volume of the optical imaging system. Please refer to Fig. 27 , is a schematic diagram illustrating inflection points P of the first lens 110 , the third lens 130 , the fifth lens 150 , the sixth lens 160 , the seventh lens 170 , the eighth lens 180 , the ninth lens 190 and the tenth lens 193 according to the first embodiment of the present invention. Fig. 27 The inflection points of the first lens, the third lens, and the fifth lens to the tenth lens in the first embodiment are illustrated as an exemplary illustration. However, in each embodiment of the present invention, in addition to the first lens, the third lens, and the fifth lens to the tenth lens, other lenses may also have one or more inflection points.

[0126] The image side surface of the eighth lens may have at least one critical point at the off-axis position. This can effectively control the peripheral image aberration and help reduce the volume. Fig. 27 , is a schematic diagram illustrating a critical point C of the image-side surface 182 of the eighth lens according to the first embodiment of the present invention.

[0127] The image side surface of the ninth lens may have at least one critical point at an off-axis position. This can effectively correct distortion. Fig. 27 , is a schematic diagram illustrating a critical point C of the image-side surface 192 of the ninth lens according to the first embodiment of the present invention.

[0128] The image side surface of the tenth lens may have at least one critical point at an off-axis position. This can effectively correct image curvature and maintain relative illumination. Fig. 27, which is a schematic diagram showing the critical point C of the image-side surface 195 of the tenth lens according to the first embodiment of the present invention. Fig. 27 The critical points of the image-side surface of the eighth lens, the image-side surface of the ninth lens, and the image-side surface of the tenth lens in the first embodiment are shown for illustrative purposes. However, in each embodiment of the present invention, in addition to the above lens surfaces, other lens surfaces may also have one or more critical points at off-axis positions.

[0129] In the optical imaging system group disclosed in the present invention, at least four lenses may be made of plastic material. Thereby, the production cost can be effectively reduced, and the design freedom can be improved, which is beneficial to optimizing the off-axis aberration.

[0130] In the optical imaging system group disclosed in the present invention, at least four lenses may have an Abbe number less than 40.0. Thereby, it can be ensured that the lens materials in the optical imaging system group have sufficient ability to control light, so as to balance the focusing positions of light in different bands and avoid the occurrence of image overlap.

[0131] The optical imaging system group disclosed in the present invention further includes an aperture. The distance between the aperture and the image-side surface of the tenth lens on the optical axis is SD, and the distance between the object-side surface of the first lens and the image-side surface of the tenth lens on the optical axis is TD, which satisfies the following condition: 0.30 < SD / TD < 1.20. Thereby, the position of the aperture can be effectively balanced, which is beneficial to controlling the volume of the optical imaging system group. Among them, the following condition may also be satisfied: 0.60 < SD / TD < 1.20. Among them, the following condition may also be satisfied: 0.70 < SD / TD < 1.10. Among them, the following condition may also be satisfied: 0.80 < SD / TD < 1.0.

[0132] The radius of curvature of the image-side surface of the ninth lens is R18, and the radius of curvature of the object-side surface of the tenth lens is R19, which satisfies the following condition: -5.0 < (R18 + R19) / (R18 - R19) < 5.0. Thereby, good imaging quality can be provided under different object distances. Among them, the following condition may also be satisfied: -2.0 < (R18 + R19) / (R18 - R19) < 2.0. Among them, the following condition may also be satisfied: -1.20 < (R18 + R19) / (R18 - R19) < 1.30. Among them, the following condition may also be satisfied: -1.10 < (R18 + R19) / (R18 - R19) < 0.50.

[0133] The distance from the object side surface of the first lens to the imaging surface on the optical axis is TL, and the maximum imaging height of the optical imaging system group is ImgH (which can be half of the total length of the diagonal of the effective sensing area of the electronic photosensitive element). It can satisfy the following conditions: 0.50 < TL / ImgH < 2.50. Thus, while compressing the total length of the optical imaging system group, it is ensured that there is sufficient light-receiving area to avoid vignetting at the periphery of the image. Among them, it can also satisfy the following conditions: 0.50 < TL / ImgH < 1.85. Among them, it can also satisfy the following conditions: 0.50 < TL / ImgH < 1.55. Among them, it can also satisfy the following conditions: 0.90 < TL / ImgH < 1.35.

[0134] The distance between the ninth lens and the tenth lens on the optical axis is T910, and the thickness of the first lens on the optical axis is CT1. It can satisfy the following conditions: 0 < T910 / CT1 < 3.5. Thus, it is beneficial to improve the imaging quality at the periphery of the image during close-up shooting. Among them, it can also satisfy the following conditions: 0.05 < T910 / CT1 < 2.0. Among them, it can also satisfy the following conditions: 0.10 < T910 / CT1 < 1.0. Among them, it can also satisfy the following conditions: 0.20 < T910 / CT1 < 0.75. Please refer to Fig. 27 , which shows a schematic diagram of the parameter T910 in the first embodiment of the present invention.

[0135] The focal length of the optical imaging system group is f, and the radius of curvature of the image side surface of the eighth lens is R16. It can satisfy the following conditions: 0.15 < f / R16 < 8.0. Thus, the curvature of the image side surface of the eighth lens can be controlled to assist the optical imaging system group in correcting peripheral aberrations. Among them, it can also satisfy the following conditions: 0.60 < f / R16 < 5.0. Among them, it can also satisfy the following conditions: 1.0 < f / R16 < 3.50.

[0136] The focal length of the optical imaging system group is f, and the focal length of the first lens is f1. It can satisfy the following conditions: 0.20 < f / f1 < 4.0. Thus, it can be ensured that the first lens provides sufficient light-gathering ability at the object side end of the optical imaging system group and avoids excessive aberration caused by too large curvature of the lens surface. Among them, it can also satisfy the following conditions: 0.60 < f / f1 < 2.50. Among them, it can also satisfy the following conditions: 0.90 < f / f1 < 2.0.

[0137] The focal length of the ninth lens is f9, and the focal length of the tenth lens is f10. It can satisfy the following conditions: -0.55 < f10 / f9 < 0. Thus, it can be ensured that the tenth lens has strong refractive power to control and balance the focusing ability and imaging quality of the optical imaging system group.

[0138] The Abbe number of the first lens is V1, the Abbe number of the second lens is V2, the Abbe number of the third lens is V3, the Abbe number of the fourth lens is V4, the Abbe number of the fifth lens is V5, the Abbe number of the sixth lens is V6, the Abbe number of the seventh lens is V7, the Abbe number of the eighth lens is V8, the Abbe number of the ninth lens is V9, the Abbe number of the tenth lens is V10, and the Abbe number of the i-th lens is Vi. The refractive index of the first lens is N1, the refractive index of the second lens is N2, the refractive index of the third lens is N3, the refractive index of the fourth lens is N4, the refractive index of the fifth lens is N5, the refractive index of the sixth lens is N6, the refractive index of the seventh lens is N7, the refractive index of the eighth lens is N8, the refractive index of the ninth lens is N9, the refractive index of the tenth lens is N10, and the refractive index of the i-th lens is Ni. The minimum value of Vi / Ni is (Vi / Ni)min, which satisfies the following condition: 7.0 < (Vi / Ni)min < 11.80, where i = 1, 2, 3, 4, 5, 6, 7, 8, 9, or 10. Thereby, the density difference between the lens material at the object side end of the optical imaging system group and air can be strengthened, enabling a strong light path control ability to be achieved within a limited space.

[0139] The focal length of the optical imaging system group is f, and the focal length of the eighth lens is f8, which satisfies the following condition: -0.50 < f / f8 < 0.30. Thereby, the refractive power configuration of the optical imaging system group can be balanced to achieve better image quality.

[0140] The focal length of the optical imaging system group is f, and the focal length of the ninth lens is f9, which satisfies the following condition: 0.10 < f / f9 < 0.55. Thereby, the ninth lens can be made into an aberration correction lens (Correction Lens), and the surface curvature of the lens can be prevented from being too large, enabling the ninth lens to have the function of balancing the aberrations of the front and rear lenses.

[0141] The thickness of the third lens on the optical axis is CT3, and the thickness of the fourth lens on the optical axis is CT4, which satisfies the following condition: 1.0 < CT4 / CT3 < 2.20. Thereby, the proportional configuration of the central thickness of the third lens and the fourth lens can be ensured to improve the uniformity of lens forming.

[0142] The Abbe number of the first lens is V1, the Abbe number of the second lens is V2, and the Abbe number of the third lens is V3, which satisfies the following condition: 0.10 < (V2 + V3) / V1 < 0.90. Thereby, the second lens and the third lens can have sufficient image control ability to correct various aberrations.

[0143] The entrance pupil diameter of the optical imaging system group is EPD, and the distance from the image side surface of the tenth lens to the imaging surface on the optical axis is BL, which can satisfy the following condition: 2.40 < EPD / BL < 6.0. Thereby, an appropriate back focal length can be reserved for assembly in a limited space, while ensuring that the optical imaging system group has sufficient light input to meet the specification requirements of the product device.

[0144] The focal length of the optical imaging system group is f, and the entrance pupil diameter of the optical imaging system group is EPD, which can satisfy the following condition: 0.80 < f / EPD < 2.40. Thereby, the light input aperture can be effectively adjusted, and the light input amount of the optical imaging system group can be controlled to improve the image brightness. Among them, the following condition can also be satisfied: 0.80 < f / EPD ≤ 2.0. Among them, the following condition can also be satisfied: 1.20 < f / EPD ≤ 2.0.

[0145] The maximum refractive index among all the lenses of the optical imaging system group is Nmax, which can satisfy the following condition: 1.66 < Nmax < 1.78. Thereby, a suitable material can be adopted to avoid excessive difficulty in lens manufacturing and improve the possibility of commercialization of the optical imaging system group. Among them, the following condition can also be satisfied: 1.67 < Nmax < 1.72.

[0146] The Abbe number of the fifth lens is V5, and the Abbe number of the sixth lens is V6, which can satisfy the following condition: 10.0 < V5 + V6 < 70.0. Thereby, the lenses in the middle part of the optical imaging system group can be provided with a strong light path control ability. Among them, the following condition can also be satisfied: 15.0 < V5 + V6 < 60.0. Among them, the following condition can also be satisfied: 20.0 < V5 + V6 < 50.0.

[0147] The distance from the object side surface of the first lens to the imaging surface on the optical axis is TL, and the focal length of the optical imaging system group is f, which can satisfy the following condition: 0.80 < TL / f < 1.30. Thereby, the total length of the optical imaging system group can be balanced and the field of view size can be controlled to meet the product application requirements.

[0148] The minimum Abbe number among all the lenses of the optical imaging system group is Vmin, which can satisfy the following condition: 8.0 < Vmin < 20.0. Thereby, the light path of the optical imaging system group can be regulated, and the convergence ability between light rays of different wavelength bands can be balanced to correct chromatic aberration. Among them, the following condition can also be satisfied: 5.0 < Vmin < 19.0.

[0149] The radius of curvature of the object-side surface of the seventh lens is R13, and the thickness of the fifth lens on the optical axis is CT5, which can satisfy the following conditions: 10.0 < |R13 / CT5| < 45.0. Thereby, the curvature intensity of the object-side surface of the seventh lens can be controlled to balance the aberration of the optical imaging system group. Among them, the following conditions can also be satisfied: 10.0 < |R13 / CT5| < 30.0. Among them, the following conditions can also be satisfied: 12.0 < |R13 / CT5| < 25.0.

[0150] The maximum imaging height of the optical imaging system group is ImgH, which can satisfy the following conditions: 4.50 [mm] < ImgH < 12.0 [mm]. Thereby, the light-receiving area can be controlled to ensure the image brightness and achieve a balance with the specification requirements. Among them, the following conditions can also be satisfied: 4.50 [mm] < ImgH < 10.0 [mm]. Among them, the following conditions can also be satisfied: 5.80 [mm] < ImgH < 10.0 [mm]. Among them, the following conditions can also be satisfied: 6.50 [mm] < ImgH < 10.0 [mm]. Among them, the following conditions can also be satisfied: 8.0 [mm] < ImgH < 10.0 [mm].

[0151] The distance from the object-side surface of the first lens to the imaging surface on the optical axis is TL, which can satisfy the following conditions: 4.0 [mm] < TL < 15.0 [mm]. Thereby, it is beneficial to control the total length of the optical imaging system group to expand the product application range and meet the current market demand.

[0152] The distance from the image-side surface of the tenth lens to the imaging surface on the optical axis is BL, and the distance from the object-side surface of the first lens to the image-side surface of the tenth lens on the optical axis is TD, which can satisfy the following conditions: 0 < BL / TD < 0.25. Thereby, it helps to shorten the back focal length of the optical imaging system group and control the total length.

[0153] The maximum imaging height of the optical imaging system group is ImgH, and the distance from the image-side surface of the tenth lens to the imaging surface on the optical axis is BL, which can satisfy the following conditions: 5.0 < ImgH / BL < 20.0. Thereby, the back focal length can be effectively compressed, and at the same time, there is a large light-receiving range.

[0154] The maximum value of the thickness of a single lens on the optical axis among all the lenses of the optical imaging system group is CTmax, and the minimum value of the thickness of a single lens on the optical axis among all the lenses of the optical imaging system group is CTmin, which can satisfy the following conditions: 2.0 < CTmax / CTmin < 5.5. Thereby, the lens thickness can be controlled to ensure the lens molding quality and maintain the molding stability.

[0155] The focal length of the optical imaging system group is f, and the focal length of the second lens is f2, which can satisfy the following conditions: -3.0 < f / f2 < -0.25. Thus, the second lens can effectively balance the aberration generated by the first lens to improve the image quality. Among them, the following conditions can also be satisfied: -2.0 < f / f2 < -0.40.

[0156] The maximum effective radius of the image side surface of the third lens is Y32, and the maximum effective radius of the image side surface of the tenth lens is Y102, which can satisfy the following conditions: 2.80 < Y102 / Y32 < 5.50. Thus, the proportional relationship of the effective radii of the lenses can be effectively controlled to facilitate the adjustment of the field angle and the control of the imaging height. Among them, the following conditions can also be satisfied: 3.0 < Y102 / Y32 < 4.50. Please refer to Fig. 27 , which shows a schematic diagram of the parameters Y32 and Y102 in the first embodiment of the present invention.

[0157] The focal length of the optical imaging system group is f, the focal length of the third lens is f3, the focal length of the fifth lens is f5, the focal length of the sixth lens is f6, the focal length of the seventh lens is f7, and the focal length of the eighth lens is f8, which can satisfy the following conditions: 0 < |f / f3| + |f / f5| + |f / f6| + |f / f7| + |f / f8| < 1.10. Thus, the optical imaging system group can have multiple correction lenses to facilitate the correction of peripheral aberration of the image. Among them, the following conditions can also be satisfied: 0 < |f / f3| + |f / f5| + |f / f6| + |f / f7| + |f / f8| < 0.60.

[0158] The Abbe number of the sixth lens is V6, which can satisfy the following conditions: 10.0 < V6 < 40.0. Thus, better chromatic aberration balance ability can be provided for the sixth lens to avoid the imaging position shift caused by light of different wavelength bands. Among them, the following conditions can also be satisfied: 10.0 < V6 < 30.0.

[0159] The focal length of the optical imaging system group is f, and the radius of curvature of the image side surface of the tenth lens is R20, which can satisfy the following conditions: 0.60 < f / R20 < 2.50. Thus, the back focal length of the optical imaging system group can be controlled and the overall volume can be prevented from being too large. Among them, the following conditions can also be satisfied: 0.90 < f / R20 < 2.00.

[0160] The total thickness of all the lenses in the optical imaging system group on the optical axis is ΣCT, and the distance on the optical axis from the object side surface of the first lens to the image side surface of the tenth lens is TD, which can satisfy the following conditions: 0.45 < ΣCT / TD < 1.0. Thus, the thickness and spacing distribution of the lenses can be balanced to improve the space utilization rate. Among them, the following conditions can also be satisfied: 0.55 < ΣCT / TD < 0.75.

[0161] The various technical features of the optical imaging system set of the present invention can be configured in combination to achieve corresponding effects.

[0162] In the optical imaging system set disclosed by the present invention, the material of the lens can be glass or plastic. If the material of the lens is glass, the degree of freedom of the configuration of the refractive power of the optical imaging system set can be increased, and the influence of the external ambient temperature change on the imaging can be reduced, and the glass lens can be made by grinding or molding. If the material of the lens is plastic, the production cost can be effectively reduced. In addition, a spherical surface or an aspherical surface (ASP) can be set on the mirror surface, wherein the spherical lens can reduce the difficulty of manufacturing, and if the aspherical surface is set on the mirror surface, more control variables can be obtained to eliminate aberrations, reduce the number of lenses, and effectively reduce the total length of the optical imaging system set of the present invention. Furthermore, the aspherical surface can be made by plastic injection molding or molding glass lenses.

[0163] In the optical imaging system disclosed in the present invention, if the lens surface is an aspherical surface, it means that the entire or a part of the optically effective area of ​​the lens surface is an aspherical surface.

[0164] In the optical imaging system set disclosed in the present invention, additives can be selectively added to any (or more) lens materials to produce light absorption or light interference effects to change the lens's transmittance for light in a specific wavelength band, thereby reducing stray light and color deviation. For example, the additive can have the function of filtering out light in the 600-nanometer to 800-nanometer wavelength band in the system to help reduce excess red light or infrared light; or it can filter out light in the 350-nanometer to 450-nanometer wavelength band to reduce excess blue light or ultraviolet light. Therefore, the additive can prevent light in a specific wavelength band from interfering with imaging. In addition, the additive can be evenly mixed in plastic and made into a lens using injection molding technology. In addition, the additive can also be configured as a coating on the surface of the lens to provide the above-mentioned effects.

[0165] In the optical imaging system disclosed in the present invention, if the lens surface is convex and the position of the convex surface is not defined, it means that the convex surface may be located at the near optical axis of the lens surface; if the lens surface is concave and the position of the concave surface is not defined, it means that the concave surface may be located at the near optical axis of the lens surface. If the refractive power or focal length of the lens does not define its regional position, it means that the refractive power or focal length of the lens may be the refractive power or focal length of the lens at the near optical axis.

[0166] In the optical imaging system disclosed in the present invention, the inflection point of the lens surface refers to the intersection point where the curvature of the lens surface changes from positive to negative. The critical point of the lens surface refers to the tangent point on the tangent line between the plane perpendicular to the optical axis and the lens surface, and the critical point is not located on the optical axis.

[0167] In the optical imaging system disclosed in the present invention, the imaging surface of the optical imaging system can be a plane or a curved surface with any curvature, especially a curved surface with a concave surface facing the object side, depending on the corresponding electronic photosensitive element.

[0168] In the optical imaging system disclosed in the present invention, one or more imaging correction elements (field flattening elements, etc.) can be selectively arranged between the lens closest to the imaging surface on the imaging optical path and the imaging surface to achieve the effect of correcting the image (image bending, etc.). The optical properties of the imaging correction element, such as curvature, thickness, refractive index, position, and surface type (convex or concave, spherical or aspherical, diffractive surface, Fresnel surface, etc.) can be adjusted according to the requirements of the imaging device. Generally speaking, the preferred imaging correction element configuration is to arrange a thin plano-concave element with a concave surface toward the object side close to the imaging surface.

[0169] In the optical imaging system disclosed in the present invention, at least one element with a function of turning the optical path, such as a prism or a reflector, can be selectively arranged between the object and the imaging surface on the imaging optical path to provide a more flexible spatial configuration of the optical imaging system, so that the electronic device is not restricted by the total optical length of the optical imaging system. For further explanation, please refer to Fig.28 and Fig.29 ,in Fig.28 FIG. 1 is a schematic diagram showing a configuration relationship of the light path turning element in the optical imaging system according to the present invention, and FIG. Fig.29 FIG. 2 is a schematic diagram showing another configuration relationship of the light path turning element in the optical imaging system according to the present invention. Fig.28 and Fig.29 As shown, the optical imaging system can be arranged along an optical path from a subject (not shown) to an imaging surface IM, and sequentially has a first optical axis OA1, an optical path turning element LF and a second optical axis OA2, wherein the optical path turning element LF can be as shown in FIG. Fig.28 As shown, it is arranged between the object and the lens group LG of the optical imaging system group, or as shown Fig.29 The optical imaging system is shown as being disposed between the lens group LG and the imaging surface IM. Fig.30 , is a schematic diagram showing a configuration relationship of two optical path turning elements in an optical imaging system according to the present invention. Fig.30 As shown, the optical imaging system set can also be arranged along the optical path from the object (not shown) to the imaging surface IM, and has a first optical axis OA1, a first optical path turning element LF1, a second optical axis OA2, a second optical path turning element LF2 and a third optical axis OA3 in sequence, wherein the first optical path turning element LF1 is arranged between the object and the lens group LG of the optical imaging system set, the second optical path turning element LF2 is arranged between the lens group LG of the optical imaging system set and the imaging surface IM, and the traveling direction of the light on the first optical axis OA1 can be as follows: Fig.30 The direction shown is the same as the direction of the light traveling along the third optical axis OA3. The optical imaging system set can also selectively configure more than three light path turning elements, and the present invention is not limited to the type, quantity and position of the light path turning elements disclosed in the drawings.

[0170] In the optical imaging system set disclosed in the present invention, at least one aperture stop may be provided, which may be located before the first lens, between each lens, or after the last lens. The aperture stop may be a glare stop or a field stop, etc., which may be used to reduce stray light and help improve image quality.

[0171] In the optical imaging system disclosed in the present invention, the aperture can be configured as a front aperture or a center aperture. The front aperture means that the aperture is set between the object and the first lens, and the center aperture means that the aperture is set between the first lens and the imaging surface. If the aperture is a front aperture, the exit pupil can be at a longer distance from the imaging surface, so that it has a telecentric effect and can increase the efficiency of the CCD or CMOS of the electronic photosensitive element in receiving the image; if it is a center aperture, it helps to expand the field of view of the optical imaging system.

[0172] The present invention may appropriately set a variable aperture element, which may be a mechanical component or a light regulating element, which can control the size and shape of the aperture by electricity or electrical signals. The mechanical component may include movable parts such as a blade set and a shielding plate; the light regulating element may include shielding materials such as a filter element, an electrochromic material, and a liquid crystal layer. The variable aperture element can enhance the image adjustment capability by controlling the amount of light entering the image or the exposure time. In addition, the variable aperture element may also be the aperture of the present invention, which can adjust the image quality, such as the depth of field or the exposure speed, by changing the aperture value.

[0173] According to the above implementation modes, specific embodiments are proposed below and described in detail with reference to the accompanying drawings.

[0174] <First Embodiment>

[0175] Please refer to Figure 1 to Figure 2 ,in Figure 1 A schematic diagram of an imaging device according to a first embodiment of the present invention is shown. Figure 2 From left to right are the spherical aberration, astigmatism and distortion curves of the first embodiment. Figure 1It can be seen that the imaging device includes an optical imaging system set (not labeled) and an electronic photosensitive element 199. The optical imaging system set includes an aperture 100, a first lens 110, a second lens 120, a third lens 130, a fourth lens 140, a fifth lens 150, a sixth lens 160, a seventh lens 170, an eighth lens 180, a stop 101, a ninth lens 190, a tenth lens 193, a filter element 197 and an imaging surface 198 along the optical path from the object side to the image side. Among them, the electronic photosensitive element 199 is disposed on the imaging surface 198. The optical imaging system set includes ten lenses (110, 120, 130, 140, 150, 160, 170, 180, 190, 193), and there is no other interpolated lens between the lenses.

[0176] The first lens 110 has positive refractive power and is made of plastic. Its object-side surface 111 is convex near the optical axis, and its image-side surface 112 is concave near the optical axis. Both surfaces are aspherical, and the image-side surface 112 has at least one inflection point.

[0177] The second lens 120 has negative refractive power and is made of plastic. Its object-side surface 121 is convex near the optical axis, and its image-side surface 122 is concave near the optical axis. Both surfaces are aspherical.

[0178] The third lens 130 has positive refractive power and is made of plastic. Its object-side surface 131 is convex near the optical axis, and its image-side surface 132 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 131 has at least one inflection point, and its image-side surface 132 has at least one inflection point.

[0179] The fourth lens 140 has positive refractive power and is made of plastic. Its object-side surface 141 is concave near the optical axis, and its image-side surface 142 is convex near the optical axis. Both surfaces are aspherical.

[0180] The fifth lens 150 has negative refractive power and is made of plastic. Its object-side surface 151 is concave near the optical axis, and its image-side surface 152 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 151 has at least one inflection point, and its image-side surface 152 has at least one inflection point.

[0181] The sixth lens 160 has positive refractive power and is made of plastic. Its object-side surface 161 is convex near the optical axis, and its image-side surface 162 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 161 has at least one inflection point, and its image-side surface 162 has at least one inflection point.

[0182] The seventh lens 170 has negative refractive power and is made of plastic. Its object-side surface 171 is concave near the optical axis, and its image-side surface 172 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 171 has at least one inflection point, and its image-side surface 172 has at least one inflection point.

[0183] The eighth lens 180 has negative refractive power and is made of plastic. Its object-side surface 181 is convex near the optical axis, and its image-side surface 182 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 181 has at least one inflection point, its image-side surface 182 has at least one inflection point, and its image-side surface 182 has at least one critical point at an off-axis position.

[0184] The ninth lens 190 has positive refractive power and is made of plastic. Its object-side surface 191 is convex near the optical axis, and its image-side surface 192 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 191 has at least one inflection point, its image-side surface 192 has at least one inflection point, and its image-side surface 192 has at least one critical point at an off-axis position.

[0185] The tenth lens 193 has negative refractive power and is made of plastic. Its object-side surface 194 is concave near the optical axis, and its image-side surface 195 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 194 has at least one inflection point, its image-side surface 195 has at least one inflection point, and its image-side surface 195 has at least one critical point at an off-axis position.

[0186] The filter element 197 is made of glass and is disposed between the tenth lens 193 and the imaging surface 198 , and does not affect the focal length of the optical imaging system set.

[0187] The curve equations of the aspheric surfaces of the above lenses are expressed as follows:

[0188]

[0189] X: displacement parallel to the optical axis from the intersection of the aspheric surface and the optical axis to the point on the aspheric surface at a distance Y from the optical axis;

[0190] Y: the vertical distance between the point on the aspheric curve and the optical axis;

[0191] R: radius of curvature;

[0192] k: cone coefficient; and

[0193] Ai: i-th order aspheric coefficient.

[0194] In the optical imaging system set of the first embodiment, the focal length of the optical imaging system set is f, the aperture value (F-number) of the optical imaging system set is Fno, and half of the maximum viewing angle of the optical imaging system set is HFOV, and its values ​​are as follows: f=8.75 millimeters (mm), Fno=1.95, HFOV=42.2 degrees (deg.).

[0195] The Abbe number of the sixth lens 160 is V6, which satisfies the following condition: V6=23.5.

[0196] The Abbe number of the first lens 110 is V1, the Abbe number of the second lens 120 is V2, and the Abbe number of the third lens 130 is V3, which satisfies the following condition: (V2+V3) / V1=0.7.

[0197] The Abbe number of the fifth lens 150 is V5, and the Abbe number of the sixth lens 160 is V6, which satisfies the following condition: V5+V6=43.9.

[0198] The minimum Abbe number of all lenses in the optical imaging system is Vmin, which satisfies the following condition: Vmin = 18.4. In this embodiment, among the first lens 110 to the tenth lens 193, the Abbe number of the second lens 120 is equal to the Abbe number of the third lens 130, and both are smaller than the Abbe numbers of the other lenses, so Vmin is equal to the Abbe number of the second lens 120 or the third lens 130.

[0199] The Abbe number of the first lens 110 is V1, the Abbe number of the second lens 120 is V2, the Abbe number of the third lens 130 is V3, the Abbe number of the fourth lens 140 is V4, the Abbe number of the fifth lens 150 is V5, the Abbe number of the sixth lens 160 is V6, the Abbe number of the seventh lens 170 is V7, the Abbe number of the eighth lens 180 is V8, the Abbe number of the ninth lens 190 is V9, the Abbe number of the tenth lens 193 is V10, the Abbe number of the i-th lens is Vi, the refractive index of the first lens 110 is N1, the refractive index of the second lens 120 is N2, the refractive index of the third lens 130 is N3, the refractive index of the fourth lens 140 is N4, the refractive index of the fifth lens 150 is N5, the refractive index of the sixth lens 160 is N6, the refractive index of the seventh lens 170 is The refractive index of the eighth lens 180 is N7, the refractive index of the ninth lens 190 is N9, the refractive index of the tenth lens 193 is N10, the refractive index of the i-th lens is Ni, the minimum value of Vi / Ni is (Vi / Ni)min, which satisfies the following conditions: V1 / N1=36.30; V2 / N2=10.90; V3 / N3=10.90; V4 / N4=36.26; V5 / N5=12.29; V6 / N6=14.34; V7 / N7=36.26; V8 / N8=17.83; V9 / N9=36.26; V10 / N10=36.48; and (Vi / Ni)min=10.90, wherein i=1, 2, 3, 4, 5, 6, 7, 8, 9 or 10. In this embodiment, among the first lens 110 to the tenth lens 193, Vi / Ni (i.e., V2 / N2) of the second lens 120 and Vi / Ni (i.e., V3 / N3) of the third lens 130 are equal, and both are smaller than Vi / Ni of the other lenses, so (Vi / Ni)min is equal to Vi / Ni of the second lens 120 or Vi / Ni of the third lens 130.

[0200] The maximum refractive index of all lenses in the optical imaging system is Nmax, which satisfies the following condition: Nmax=1.686. In this embodiment, among the first lens 110 to the tenth lens 193, the refractive index of the second lens 120 is equal to the refractive index of the third lens 130, and both are greater than the refractive indexes of the other lenses, so Nmax is equal to the refractive index of the second lens 120 or the third lens 130.

[0201] The thickness of the third lens 130 on the optical axis is CT3, and the thickness of the fourth lens 140 on the optical axis is CT4, which satisfies the following condition: CT4 / CT3=1.773.

[0202] The distance between the ninth lens 190 and the tenth lens 193 on the optical axis is T910, and the thickness of the first lens 110 on the optical axis is CT1, which satisfies the following condition: T910 / CT1=0.42. In this embodiment, the distance between two adjacent lenses on the optical axis refers to the distance between two adjacent mirror surfaces of the two adjacent lenses on the optical axis.

[0203] The sum of the thicknesses of all lenses in the optical imaging system on the optical axis is ΣCT, and the distance between the object-side surface 111 of the first lens and the image-side surface 195 of the tenth lens on the optical axis is TD, which satisfies the following condition: ΣCT / TD=0.66. In this embodiment, ΣCT is the sum of the thicknesses of the first lens 110, the second lens 120, the third lens 130, the fourth lens 140, the fifth lens 150, the sixth lens 160, the seventh lens 170, the eighth lens 180, the ninth lens 190, and the tenth lens 193 on the optical axis.

[0204] The maximum value of the thickness of the single lens on the optical axis among all the lenses of the optical imaging system set is CTmax, and the minimum value of the thickness of the single lens on the optical axis among all the lenses of the optical imaging system set is CTmin, which satisfies the following condition: CTmax / CTmin=3.56. In this embodiment, among the first lens 110 to the tenth lens 193, the thickness of the first lens 110 on the optical axis is greater than the thickness of the other lenses on the optical axis, so CTmax is equal to the thickness of the first lens 110 on the optical axis. In this embodiment, among the first lens 110 to the tenth lens 193, the thickness of the second lens 120 on the optical axis is less than the thickness of the other lenses on the optical axis, so CTmin is equal to the thickness of the second lens 120 on the optical axis.

[0205] The curvature radius of the object-side surface 171 of the seventh lens is R13, and the thickness of the fifth lens 150 on the optical axis is CT5, which satisfies the following condition: |R13 / CT5|=15.11.

[0206] The focal length of the optical imaging system is f, and the curvature radius of the image-side surface 182 of the eighth lens is R16, which satisfies the following condition: f / R16=1.35.

[0207] The focal length of the optical imaging system is f, and the curvature radius of the image-side surface 195 of the tenth lens is R20, which satisfies the following condition: f / R20=1.68.

[0208] The curvature radius of the image-side surface 192 of the ninth lens is R18, and the curvature radius of the object-side surface 194 of the tenth lens is R19, which satisfies the following condition: (R18+R19) / (R18-R19)=-0.46.

[0209] The focal length of the optical imaging system is f, and the focal length of the first lens 110 is f1, which satisfies the following condition: f / f1=1.19.

[0210] The focal length of the optical imaging system is f, and the focal length of the second lens 120 is f2, which satisfies the following condition: f / f2=-0.42.

[0211] The focal length of the optical imaging system is f, and the focal length of the eighth lens 180 is f8, which satisfies the following condition: f / f8=-0.06.

[0212] The focal length of the optical imaging system is f, and the focal length of the ninth lens element 190 is f9, which satisfies the following condition: f / f9=0.33.

[0213] The focal length of the ninth lens 190 is f9, and the focal length of the tenth lens 193 is f10, which satisfies the following condition: f10 / f9=-0.31.

[0214] The focal length of the optical imaging system group is f, the focal length of the third lens 130 is f3, the focal length of the fifth lens 150 is f5, the focal length of the sixth lens 160 is f6, the focal length of the seventh lens 170 is f7, and the focal length of the eighth lens 180 is f8, which satisfies the following condition: |f / f3|+|f / f5|+|f / f6|+|f / f7|+|f / f8|=0.31.

[0215] The maximum effective radius of the third lens image-side surface 132 is Y32, and the maximum effective radius of the tenth lens image-side surface 195 is Y102, which satisfies the following condition: Y102 / Y32=3.49.

[0216] The distance between the first lens object-side surface 111 and the imaging surface 198 on the optical axis is TL, which satisfies the following condition: TL=9.94 [mm].

[0217] The distance between the object-side surface 111 of the first lens and the imaging surface 198 on the optical axis is TL, and the focal length of the optical imaging system set is f, which satisfies the following condition: TL / f=1.14.

[0218] The distance between the first lens object-side surface 111 and the imaging surface 198 on the optical axis is TL, and the maximum imaging height of the optical imaging system set is ImgH, which satisfies the following condition: TL / ImgH=1.22.

[0219] The maximum imaging height of the optical imaging system is ImgH, and the distance between the image-side surface 195 of the tenth lens and the imaging surface 198 on the optical axis is BL, which satisfies the following condition: ImgH / BL=5.13.

[0220] The entrance pupil diameter of the optical imaging system is EPD, and the distance from the image-side surface 195 of the tenth lens to the imaging surface 198 on the optical axis is BL, which satisfies the following condition: EPD / BL=2.82.

[0221] The distance between the image-side surface 195 of the tenth lens and the imaging surface 198 on the optical axis is BL, and the distance between the object-side surface 111 of the first lens and the image-side surface 195 of the tenth lens on the optical axis is TD, which satisfies the following condition: BL / TD=0.19.

[0222] The distance between the aperture 100 and the image-side surface 195 of the tenth lens on the optical axis is SD, and the distance between the first lens object-side surface 111 and the image-side surface 195 of the tenth lens on the optical axis is TD, which satisfies the following condition: SD / TD=0.89.

[0223] The focal length of the optical imaging system set is f, and the entrance pupil diameter of the optical imaging system set is EPD, which satisfies the following condition: f / EPD=1.95.

[0224] The maximum imaging height of the optical imaging system group is ImgH, which satisfies the following condition: ImgH=8.17 [mm].

[0225] Please refer to Table 1 and Table 2 below.

[0226]

[0227]

[0228]

[0229]

[0230] Table 1 Figure 1 The first embodiment has detailed structural data, wherein the units of the radius of curvature, thickness and focal length are in millimeters (mm), and surfaces 0 to 25 represent the surfaces from the object side to the image side in sequence. Table 2 is the aspheric surface data of the first embodiment, wherein k is the cone coefficient in the aspheric curve equation, and A4 to A30 represent the 4th to 30th order aspheric surface coefficients of each surface. In addition, the following tables of the embodiments correspond to the schematic diagrams and aberration curves of the embodiments, and the definitions of the data in the tables are the same as those in Tables 1 and 2 of the first embodiment, and are not repeated here.

[0231] <Second Embodiment>

[0232] Please refer to Figure 3 to Figure 4 ,in Figure 3 FIG. 1 is a schematic diagram of an imaging device according to a second embodiment of the present invention. Figure 4 From left to right are the spherical aberration, astigmatism and distortion curves of the second embodiment. Figure 3 It can be seen that the imaging device includes an optical imaging system set (not labeled) and an electronic photosensitive element 299. The optical imaging system set includes an aperture 200, a first lens 210, a second lens 220, a third lens 230, a fourth lens 240, a fifth lens 250, a sixth lens 260, a seventh lens 270, an eighth lens 280, a ninth lens 290, a tenth lens 293, a stop 201, a filter element 297 and an imaging surface 298 along the optical path from the object side to the image side. Among them, the electronic photosensitive element 299 is disposed on the imaging surface 298. The optical imaging system set includes ten lenses (210, 220, 230, 240, 250, 260, 270, 280, 290, 293), and there are no other interpolated lenses between the lenses.

[0233] The first lens 210 has positive refractive power and is made of glass. Its object-side surface 211 is convex near the optical axis, and its image-side surface 212 is concave near the optical axis. Both surfaces are aspherical.

[0234] The second lens 220 has negative refractive power and is made of plastic. Its object-side surface 221 is convex near the optical axis, and its image-side surface 222 is concave near the optical axis. Both surfaces are aspherical.

[0235] The third lens 230 has negative refractive power and is made of plastic. Its object-side surface 231 is convex near the optical axis, and its image-side surface 232 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 231 has at least one inflection point, and its image-side surface 232 has at least one inflection point.

[0236] The fourth lens 240 has positive refractive power and is made of plastic. Its object-side surface 241 is convex near the optical axis, and its image-side surface 242 is convex near the optical axis. Both surfaces are aspherical.

[0237] The fifth lens 250 has negative refractive power and is made of plastic. Its object-side surface 251 is concave near the optical axis, and its image-side surface 252 is convex near the optical axis. Both surfaces are aspherical.

[0238] The sixth lens 260 has negative refractive power and is made of plastic. Its object-side surface 261 is convex near the optical axis, and its image-side surface 262 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 261 has at least one inflection point, and its image-side surface 262 has at least one inflection point.

[0239] The seventh lens 270 has negative refractive power and is made of plastic. Its object-side surface 271 is concave near the optical axis, and its image-side surface 272 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 271 has at least one inflection point, and its image-side surface 272 has at least one inflection point.

[0240] The eighth lens 280 has positive refractive power and is made of plastic. Its object-side surface 281 is convex near the optical axis, and its image-side surface 282 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 281 has at least one inflection point, its image-side surface 282 has at least one inflection point, and its image-side surface 282 has at least one critical point at an off-axis position.

[0241] The ninth lens 290 has positive refractive power and is made of plastic. Its object-side surface 291 is convex near the optical axis, and its image-side surface 292 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 291 has at least one inflection point, its image-side surface 292 has at least one inflection point, and its image-side surface 292 has at least one critical point at an off-axis position.

[0242] The tenth lens 293 has negative refractive power and is made of plastic. Its object-side surface 294 is concave near the optical axis, and its image-side surface 295 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 294 has at least one inflection point, its image-side surface 295 has at least one inflection point, and its image-side surface 295 has at least one critical point at an off-axis position.

[0243] The filter element 297 is made of glass and is disposed between the aperture 201 and the imaging surface 298 , and does not affect the focal length of the optical imaging system set.

[0244] Please refer to Table 3 and Table 4 below.

[0245]

[0246]

[0247]

[0248]

[0249] In the second embodiment, the curve equation of the aspheric surface is expressed in the same form as in the first embodiment. In addition, the definitions described in the following table are the same as those in the first embodiment and are not repeated here.

[0250]

[0251]

[0252] <Third Embodiment>

[0253] Please refer to Figures 5 and 6 ,in Figure 5 FIG. 1 is a schematic diagram of an imaging device according to a third embodiment of the present invention. Figure 6 From left to right are the spherical aberration, astigmatism and distortion curves of the third embodiment. Figure 5 It can be seen that the imaging device includes an optical imaging system set (not labeled) and an electronic photosensitive element 399. The optical imaging system set includes an aperture 300, a first lens 310, a second lens 320, a third lens 330, a fourth lens 340, a fifth lens 350, a sixth lens 360, a seventh lens 370, an eighth lens 380, a ninth lens 390, a tenth lens 393, a stop 301, a filter element 397 and an imaging surface 398 along the optical path from the object side to the image side. Among them, the electronic photosensitive element 399 is disposed on the imaging surface 398. The optical imaging system set includes ten lenses (310, 320, 330, 340, 350, 360, 370, 380, 390, 393), and there is no other interpolated lens between the lenses.

[0254] The first lens 310 has positive refractive power and is made of glass. Its object-side surface 311 is convex near the optical axis, and its image-side surface 312 is concave near the optical axis. Both surfaces are aspherical.

[0255] The second lens 320 has negative refractive power and is made of plastic. Its object-side surface 321 is convex near the optical axis, and its image-side surface 322 is concave near the optical axis. Both surfaces are aspherical.

[0256] The third lens 330 has positive refractive power and is made of plastic. Its object-side surface 331 is convex near the optical axis, and its image-side surface 332 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 331 has at least one inflection point, and its image-side surface 332 has at least one inflection point.

[0257] The fourth lens 340 has positive refractive power and is made of plastic. Its object-side surface 341 is concave near the optical axis, and its image-side surface 342 is convex near the optical axis. Both surfaces are aspherical.

[0258] The fifth lens 350 has positive refractive power and is made of plastic. Its object-side surface 351 is concave near the optical axis, and its image-side surface 352 is convex near the optical axis. Both surfaces are aspherical.

[0259] The sixth lens 360 has negative refractive power and is made of plastic. Its object-side surface 361 is convex near the optical axis, and its image-side surface 362 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 361 has at least one inflection point, and its image-side surface 362 has at least one inflection point.

[0260] The seventh lens 370 has positive refractive power and is made of plastic. Its object-side surface 371 is concave near the optical axis, and its image-side surface 372 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 371 has at least one inflection point, and its image-side surface 372 has at least one inflection point.

[0261] The eighth lens 380 has negative refractive power and is made of plastic. Its object-side surface 381 is convex near the optical axis, and its image-side surface 382 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 381 has at least one inflection point, its image-side surface 382 has at least one inflection point, and its image-side surface 382 has at least one critical point at an off-axis position.

[0262] The ninth lens 390 has positive refractive power and is made of plastic. Its object-side surface 391 is convex near the optical axis, and its image-side surface 392 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 391 has at least one inflection point, its image-side surface 392 has at least one inflection point, and its image-side surface 392 has at least one critical point at an off-axis position.

[0263] The tenth lens 393 has negative refractive power and is made of plastic. Its object side surface 394 is concave at the near optical axis, and its image side surface 395 is concave at the near optical axis. Both surfaces are aspherical. Its object side surface 394 has at least one inflection point, its image side surface 395 has at least one inflection point, and its image side surface 395 has at least one critical point at an off-axis position.

[0264] The filter element 397 is made of glass and is disposed between the aperture 301 and the imaging surface 398 , and does not affect the focal length of the optical imaging system set.

[0265] Please refer to Table 5 and Table 6 below.

[0266]

[0267]

[0268]

[0269]

[0270] In the third embodiment, the curve equation of the aspheric surface is expressed in the same form as in the first embodiment. In addition, the definitions described in the following table are the same as those in the first embodiment and are not repeated here.

[0271]

[0272]

[0273] <Fourth Embodiment>

[0274] Please refer to Figures 7 and 8 ,in Figure 7 FIG. 4 is a schematic diagram of an imaging device according to a fourth embodiment of the present invention. Figure 8 From left to right are the spherical aberration, astigmatism and distortion curves of the fourth embodiment. Figure 7 It can be seen that the imaging device includes an optical imaging system set (not labeled) and an electronic photosensitive element 499. The optical imaging system set includes a first lens 410, an aperture 400, a second lens 420, a third lens 430, a fourth lens 440, a fifth lens 450, a sixth lens 460, a seventh lens 470, an eighth lens 480, a ninth lens 490, a tenth lens 493, a filter element 497 and an imaging surface 498 along the optical path from the object side to the image side. Among them, the electronic photosensitive element 499 is disposed on the imaging surface 498. The optical imaging system set includes ten lenses (410, 420, 430, 440, 450, 460, 470, 480, 490, 493), and there are no other interpolated lenses between the lenses.

[0275] The first lens 410 has positive refractive power and is made of plastic. Its object-side surface 411 is convex near the optical axis, and its image-side surface 412 is concave near the optical axis. Both surfaces are aspherical, and the image-side surface 412 has at least one inflection point.

[0276] The second lens 420 has negative refractive power and is made of plastic. Its object-side surface 421 is convex near the optical axis, and its image-side surface 422 is concave near the optical axis. Both surfaces are aspherical.

[0277] The third lens 430 has positive refractive power and is made of plastic. Its object-side surface 431 is convex near the optical axis, and its image-side surface 432 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 431 has at least one inflection point, and its image-side surface 432 has at least one inflection point.

[0278] The fourth lens 440 has positive refractive power and is made of plastic. Its object-side surface 441 is concave near the optical axis, and its image-side surface 442 is convex near the optical axis. Both surfaces are aspherical.

[0279] The fifth lens element 450 has negative refractive power and is made of plastic. Its object-side surface 451 is concave near the optical axis, and its image-side surface 452 is convex near the optical axis. Both surfaces are aspherical.

[0280] The sixth lens 460 has positive refractive power and is made of plastic. Its object-side surface 461 is convex near the optical axis, and its image-side surface 462 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 461 has at least one inflection point, and its image-side surface 462 has at least one inflection point.

[0281] The seventh lens 470 has positive refractive power and is made of plastic. Its object-side surface 471 is concave near the optical axis, and its image-side surface 472 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 471 has at least one inflection point, and its image-side surface 472 has at least one inflection point.

[0282] The eighth lens 480 has negative refractive power and is made of plastic. Its object-side surface 481 is convex near the optical axis, and its image-side surface 482 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 481 has at least one inflection point, its image-side surface 482 has at least one inflection point, and its image-side surface 482 has at least one critical point off-axis.

[0283] The ninth lens 490 has positive refractive power and is made of plastic. Its object side surface 491 is convex near the optical axis, and its image side surface 492 is concave near the optical axis. Both surfaces are aspherical. Its object side surface 491 has at least one inflection point, its image side surface 492 has at least one inflection point, and its image side surface 492 has at least one critical point off the axis.

[0284] The tenth lens 493 has negative refractive power and is made of plastic. Its object side surface 494 is concave at the near optical axis, and its image side surface 495 is concave at the near optical axis. Both surfaces are aspherical. Its object side surface 494 has at least one inflection point, its image side surface 495 has at least one inflection point, and its image side surface 495 has at least one critical point off-axis.

[0285] The filter element 497 is made of glass and is disposed between the tenth lens 493 and the imaging surface 498 , and does not affect the focal length of the optical imaging system assembly.

[0286] Please refer to Table 7 and Table 8 below.

[0287]

[0288]

[0289]

[0290]

[0291] In the fourth embodiment, the curve equation of the aspheric surface is expressed in the same form as in the first embodiment. In addition, the definitions described in the following table are the same as those in the first embodiment and are not repeated here.

[0292]

[0293] <Fifth Embodiment>

[0294] Please refer to Figures 9 and 10 ,in Fig. 9 FIG. 5 is a schematic diagram of an imaging device according to a fifth embodiment of the present invention. Fig.10 From left to right are the spherical aberration, astigmatism and distortion curves of the fifth embodiment. Fig. 9 It can be seen that the imaging device includes an optical imaging system set (not labeled) and an electronic photosensitive element 599. The optical imaging system set includes an aperture 500, a first lens 510, a second lens 520, a third lens 530, a fourth lens 540, a fifth lens 550, a sixth lens 560, a seventh lens 570, an eighth lens 580, a stop 501, a ninth lens 590, a tenth lens 593, a filter element 597 and an imaging surface 598 along the optical path from the object side to the image side. Among them, the electronic photosensitive element 599 is disposed on the imaging surface 598. The optical imaging system set includes ten lenses (510, 520, 530, 540, 550, 560, 570, 580, 590, 593), and there is no other interpolated lens between the lenses.

[0295] The first lens 510 has positive refractive power and is made of plastic. Its object-side surface 511 is convex near the optical axis, and its image-side surface 512 is concave near the optical axis. Both surfaces are aspherical, and its image-side surface 512 has at least one inflection point.

[0296] The second lens 520 has negative refractive power and is made of plastic. Its object-side surface 521 is convex near the optical axis, and its image-side surface 522 is concave near the optical axis. Both surfaces are aspherical.

[0297] The third lens 530 has positive refractive power and is made of plastic. Its object-side surface 531 is convex near the optical axis, and its image-side surface 532 is concave near the optical axis. Both surfaces are aspherical.

[0298] The fourth lens 540 has positive refractive power and is made of plastic. Its object-side surface 541 is concave near the optical axis, and its image-side surface 542 is convex near the optical axis. Both surfaces are aspherical.

[0299] The fifth lens 550 has negative refractive power and is made of plastic. Its object-side surface 551 is concave near the optical axis, and its image-side surface 552 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 551 has at least one inflection point, and its image-side surface 552 has at least one inflection point.

[0300] The sixth lens 560 has negative refractive power and is made of plastic. Its object-side surface 561 is convex near the optical axis, and its image-side surface 562 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 561 has at least one inflection point, and its image-side surface 562 has at least one inflection point.

[0301] The seventh lens 570 has positive refractive power and is made of plastic. Its object-side surface 571 is concave near the optical axis, and its image-side surface 572 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 571 has at least one inflection point, and its image-side surface 572 has at least one inflection point.

[0302] The eighth lens 580 has negative refractive power and is made of plastic. Its object-side surface 581 is convex near the optical axis, and its image-side surface 582 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 581 has at least one inflection point, its image-side surface 582 has at least one inflection point, and its image-side surface 582 has at least one critical point off-axis.

[0303] The ninth lens 590 has positive refractive power and is made of plastic. Its object side surface 591 is convex near the optical axis, and its image side surface 592 is concave near the optical axis. Both surfaces are aspherical. Its object side surface 591 has at least one inflection point, its image side surface 592 has at least one inflection point, and its image side surface 592 has at least one critical point off the axis.

[0304] The tenth lens 593 has negative refractive power and is made of plastic. Its object side surface 594 is concave at the near optical axis, and its image side surface 595 is concave at the near optical axis. Both surfaces are aspherical. Its object side surface 594 has at least one inflection point, its image side surface 595 has at least one inflection point, and its image side surface 595 has at least one critical point at an off-axis position.

[0305] The filter element 597 is made of glass and is disposed between the tenth lens 593 and the imaging surface 598 , and does not affect the focal length of the optical imaging system assembly.

[0306] Please refer to Table 9 and Table 10 below.

[0307]

[0308]

[0309]

[0310] In the fifth embodiment, the curve equation of the aspheric surface is expressed in the same form as in the first embodiment. In addition, the definitions described in the following table are the same as those in the first embodiment and are not repeated here.

[0311]

[0312] <Sixth Embodiment>

[0313] Please refer to Figure 11 to Figure 12 ,in Fig.11 FIG. 1 is a schematic diagram of an imaging device according to a sixth embodiment of the present invention. Fig.12 From left to right are the spherical aberration, astigmatism and distortion curves of the sixth embodiment. Fig.11 It can be seen that the imaging device includes an optical imaging system set (not labeled) and an electronic photosensitive element 699. The optical imaging system set includes an aperture 600, a first lens 610, a second lens 620, a third lens 630, a fourth lens 640, a fifth lens 650, a sixth lens 660, a seventh lens 670, an eighth lens 680, a stop 601, a ninth lens 690, a tenth lens 693, a filter element 697 and an imaging surface 698 along the optical path from the object side to the image side. Among them, the electronic photosensitive element 699 is disposed on the imaging surface 698. The optical imaging system set includes ten lenses (610, 620, 630, 640, 650, 660, 670, 680, 690, 693), and there are no other interpolated lenses between the lenses.

[0314] The first lens 610 has positive refractive power and is made of plastic. Its object-side surface 611 is convex near the optical axis, and its image-side surface 612 is concave near the optical axis. Both surfaces are aspherical.

[0315] The second lens 620 has negative refractive power and is made of plastic. Its object-side surface 621 is convex near the optical axis, and its image-side surface 622 is concave near the optical axis. Both surfaces are aspherical.

[0316] The third lens 630 has positive refractive power and is made of plastic. Its object-side surface 631 is convex near the optical axis, and its image-side surface 632 is concave near the optical axis. Both surfaces are aspherical.

[0317] The fourth lens 640 has positive refractive power and is made of plastic. Its object-side surface 641 is concave near the optical axis, and its image-side surface 642 is convex near the optical axis. Both surfaces are aspherical.

[0318] The fifth lens 650 has negative refractive power and is made of plastic. Its object-side surface 651 is concave near the optical axis, and its image-side surface 652 is concave near the optical axis. Both surfaces are aspherical.

[0319] The sixth lens 660 has positive refractive power and is made of plastic. Its object-side surface 661 is concave near the optical axis, and its image-side surface 662 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 661 has at least one inflection point, and its image-side surface 662 has at least one inflection point.

[0320] The seventh lens 670 has negative refractive power and is made of plastic. Its object-side surface 671 is convex near the optical axis, and its image-side surface 672 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 671 has at least one inflection point, and its image-side surface 672 has at least one inflection point.

[0321] The eighth lens 680 has negative refractive power and is made of plastic. Its object-side surface 681 is convex near the optical axis, and its image-side surface 682 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 681 has at least one inflection point, its image-side surface 682 has at least one inflection point, and its image-side surface 682 has at least one critical point off-axis.

[0322] The ninth lens 690 has positive refractive power and is made of plastic. Its object side surface 691 is convex at the near optical axis, and its image side surface 692 is concave at the near optical axis. Both surfaces are aspherical. Its object side surface 691 has at least one inflection point, its image side surface 692 has at least one inflection point, and its image side surface 692 has at least one critical point off-axis.

[0323] The tenth lens 693 has negative refractive power and is made of plastic. Its object side surface 694 is concave at the near optical axis, and its image side surface 695 is concave at the near optical axis. Both surfaces are aspherical. Its object side surface 694 has at least one inflection point, its image side surface 695 has at least one inflection point, and its image side surface 695 has at least one critical point off the axis.

[0324] The filter element 697 is made of glass and is disposed between the tenth lens 693 and the imaging surface 698 , and does not affect the focal length of the optical imaging system assembly.

[0325] Please refer to Table 11 and Table 12 below.

[0326]

[0327]

[0328]

[0329]

[0330] In the sixth embodiment, the curve equation of the aspheric surface is expressed in the same form as in the first embodiment. In addition, the definitions described in the following table are the same as those in the first embodiment and are not repeated here.

[0331]

[0332] <Seventh Embodiment>

[0333] Please refer to Figure 13 to Figure 14 ,in Fig.13 FIG. 1 is a schematic diagram of an imaging device according to a seventh embodiment of the present invention. Fig.14 From left to right are the spherical aberration, astigmatism and distortion curves of the seventh embodiment. Fig.13 It can be seen that the imaging device includes an optical imaging system set (not labeled) and an electronic photosensitive element 799. The optical imaging system set includes an aperture 700, a first lens 710, a second lens 720, a third lens 730, a fourth lens 740, a fifth lens 750, a sixth lens 760, a seventh lens 770, a stop 701, an eighth lens 780, a ninth lens 790, a tenth lens 793, a filter element 797 and an imaging surface 798 along the optical path from the object side to the image side. Among them, the electronic photosensitive element 799 is disposed on the imaging surface 798. The optical imaging system set includes ten lenses (710, 720, 730, 740, 750, 760, 770, 780, 790, 793), and there is no other interpolated lens between the lenses.

[0334] The first lens 710 has positive refractive power and is made of plastic. Its object-side surface 711 is convex near the optical axis, and its image-side surface 712 is concave near the optical axis. Both surfaces are aspherical, and its image-side surface 712 has at least one inflection point.

[0335] The second lens 720 has negative refractive power and is made of plastic. Its object-side surface 721 is convex near the optical axis, and its image-side surface 722 is concave near the optical axis. Both surfaces are aspherical.

[0336] The third lens 730 has positive refractive power and is made of plastic. Its object-side surface 731 is convex near the optical axis, and its image-side surface 732 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 731 has at least one inflection point, and its image-side surface 732 has at least one inflection point.

[0337] The fourth lens 740 has positive refractive power and is made of plastic. Its object-side surface 741 is concave near the optical axis, and its image-side surface 742 is convex near the optical axis. Both surfaces are aspherical.

[0338] The fifth lens element 750 has negative refractive power and is made of plastic. Its object-side surface 751 is concave near the optical axis, and its image-side surface 752 is convex near the optical axis. Both surfaces are aspherical.

[0339] The sixth lens 760 has negative refractive power and is made of plastic. Its object-side surface 761 is concave near the optical axis, and its image-side surface 762 is convex near the optical axis. Both surfaces are aspherical, and its image-side surface 762 has at least one inflection point.

[0340] The seventh lens 770 has positive refractive power and is made of plastic. Its object-side surface 771 is convex near the optical axis, and its image-side surface 772 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 771 has at least one inflection point, and its image-side surface 772 has at least one inflection point.

[0341] The eighth lens 780 has negative refractive power and is made of plastic. Its object-side surface 781 is convex near the optical axis, and its image-side surface 782 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 781 has at least one inflection point, its image-side surface 782 has at least one inflection point, and its image-side surface 782 has at least one critical point off-axis.

[0342] The ninth lens 790 has positive refractive power and is made of plastic. Its object side surface 791 is convex at the near optical axis, and its image side surface 792 is concave at the near optical axis. Both surfaces are aspherical. Its object side surface 791 has at least one inflection point, its image side surface 792 has at least one inflection point, and its image side surface 792 has at least one critical point off-axis.

[0343] The tenth lens 793 has negative refractive power and is made of plastic. Its object side surface 794 is concave at the near optical axis, and its image side surface 795 is concave at the near optical axis. Both surfaces are aspherical. Its object side surface 794 has at least one inflection point, its image side surface 795 has at least one inflection point, and its image side surface 795 has at least one critical point off the axis.

[0344] The filter element 797 is made of glass and is disposed between the tenth lens 793 and the imaging surface 798 , and does not affect the focal length of the optical imaging system assembly.

[0345] Please refer to Table 13 and Table 14 below.

[0346]

[0347]

[0348]

[0349]

[0350] In the seventh embodiment, the curve equation of the aspheric surface is expressed in the same form as in the first embodiment. In addition, the definitions described in the following table are the same as those in the first embodiment and are not repeated here.

[0351]

[0352] <Eighth Embodiment>

[0353] Please refer to Figure 15 to Figure 16 ,in Fig.15 FIG. 8 is a schematic diagram of an imaging device according to an eighth embodiment of the present invention. Fig.16 From left to right are the spherical aberration, astigmatism and distortion curves of the eighth embodiment. Fig.15 It can be seen that the imaging device includes an optical imaging system set (not labeled) and an electronic photosensitive element 899. The optical imaging system set includes an aperture 800, a first lens 810, a second lens 820, a third lens 830, a stop 801, a fourth lens 840, a fifth lens 850, a sixth lens 860, a seventh lens 870, an eighth lens 880, a ninth lens 890, a tenth lens 893, a filter element 897 and an imaging surface 898 along the optical path from the object side to the image side. Among them, the electronic photosensitive element 899 is disposed on the imaging surface 898. The optical imaging system set includes ten lenses (810, 820, 830, 840, 850, 860, 870, 880, 890, 893), and there are no other interpolated lenses between the lenses.

[0354] The first lens 810 has positive refractive power and is made of plastic. Its object-side surface 811 is convex near the optical axis, and its image-side surface 812 is concave near the optical axis. Both surfaces are aspherical, and its image-side surface 812 has at least one inflection point.

[0355] The second lens 820 has negative refractive power and is made of plastic. Its object-side surface 821 is convex near the optical axis, and its image-side surface 822 is concave near the optical axis. Both surfaces are aspherical.

[0356] The third lens 830 has positive refractive power and is made of plastic. Its object-side surface 831 is convex near the optical axis, and its image-side surface 832 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 831 has at least one inflection point, and its image-side surface 832 has at least one inflection point.

[0357] The fourth lens 840 has positive refractive power and is made of plastic. Its object-side surface 841 is concave near the optical axis, and its image-side surface 842 is convex near the optical axis. Both surfaces are aspherical.

[0358] The fifth lens 850 has negative refractive power and is made of plastic. Its object-side surface 851 is concave near the optical axis, and its image-side surface 852 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 851 has at least one inflection point, and its image-side surface 852 has at least one inflection point.

[0359] The sixth lens 860 has positive refractive power and is made of plastic. Its object-side surface 861 is convex near the optical axis, and its image-side surface 862 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 861 has at least one inflection point, and its image-side surface 862 has at least one inflection point.

[0360] The seventh lens 870 has positive refractive power and is made of plastic. Its object-side surface 871 is concave near the optical axis, and its image-side surface 872 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 871 has at least one inflection point, and its image-side surface 872 has at least one inflection point.

[0361] The eighth lens 880 has negative refractive power and is made of plastic. Its object-side surface 881 is convex near the optical axis, and its image-side surface 882 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 881 has at least one inflection point, its image-side surface 882 has at least one inflection point, and its image-side surface 882 has at least one critical point off-axis.

[0362] The ninth lens 890 has positive refractive power and is made of plastic. Its object side surface 891 is convex near the optical axis, and its image side surface 892 is concave near the optical axis. Both surfaces are aspherical. Its object side surface 891 has at least one inflection point, its image side surface 892 has at least one inflection point, and its image side surface 892 has at least one critical point off the axis.

[0363] The tenth lens 893 has negative refractive power and is made of plastic. Its object side surface 894 is concave at the near optical axis, and its image side surface 895 is concave at the near optical axis. Both surfaces are aspherical. Its object side surface 894 has at least one inflection point, its image side surface 895 has at least one inflection point, and its image side surface 895 has at least one critical point off the axis.

[0364] The filter element 897 is made of glass and is disposed between the tenth lens 893 and the imaging surface 898 , and does not affect the focal length of the optical imaging system assembly.

[0365] Please refer to Table 15 and Table 16 below.

[0366]

[0367]

[0368]

[0369]

[0370] In the eighth embodiment, the curve equation of the aspheric surface is expressed in the same form as in the first embodiment. In addition, the definitions described in the following table are the same as those in the first embodiment and are not repeated here.

[0371]

[0372]

[0373] <Ninth Embodiment>

[0374] Please refer to Figure 17 to Figure 18 ,in Fig.17 FIG. 4 is a schematic diagram of an imaging device according to a ninth embodiment of the present invention. Fig.18 From left to right are the spherical aberration, astigmatism and distortion curves of the ninth embodiment. Fig.17 It can be seen that the imaging device includes an optical imaging system set (not labeled) and an electronic photosensitive element 999. The optical imaging system set includes an aperture 900, a first lens 910, a second lens 920, a third lens 930, a stop 901, a fourth lens 940, a fifth lens 950, a sixth lens 960, a seventh lens 970, an eighth lens 980, a ninth lens 990, a tenth lens 993, a filter element 997 and an imaging surface 998 along the optical path from the object side to the image side. Among them, the electronic photosensitive element 999 is disposed on the imaging surface 998. The optical imaging system set includes ten lenses (910, 920, 930, 940, 950, 960, 970, 980, 990, 993), and there are no other interpolated lenses between the lenses.

[0375] The first lens 910 has positive refractive power and is made of plastic. Its object-side surface 911 is convex near the optical axis, and its image-side surface 912 is concave near the optical axis. Both surfaces are aspherical.

[0376] The second lens 920 has negative refractive power and is made of plastic. Its object-side surface 921 is convex near the optical axis, and its image-side surface 922 is concave near the optical axis. Both surfaces are aspherical.

[0377] The third lens 930 has negative refractive power and is made of plastic. Its object-side surface 931 is convex near the optical axis, and its image-side surface 932 is concave near the optical axis. Both surfaces are aspherical, and its object-side surface 931 has at least one inflection point.

[0378] The fourth lens 940 has positive refractive power and is made of plastic. Its object-side surface 941 is convex near the optical axis, and its image-side surface 942 is convex near the optical axis. Both surfaces are aspherical, and its object-side surface 941 has at least one inflection point.

[0379] The fifth lens 950 has negative refractive power and is made of plastic. Its object-side surface 951 is concave near the optical axis, and its image-side surface 952 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 951 has at least one inflection point, and its image-side surface 952 has at least one inflection point.

[0380] The sixth lens 960 has positive refractive power and is made of plastic. Its object-side surface 961 is convex near the optical axis, and its image-side surface 962 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 961 has at least one inflection point, and its image-side surface 962 has at least one inflection point.

[0381] The seventh lens 970 has positive refractive power and is made of plastic. Its object-side surface 971 is concave at the near optical axis, and its image-side surface 972 is convex at the near optical axis. Both surfaces are aspherical. Its object-side surface 971 has at least one inflection point, and its image-side surface 972 has at least one inflection point.

[0382] The eighth lens 980 has negative refractive power and is made of plastic. Its object-side surface 981 is convex near the optical axis, and its image-side surface 982 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 981 has at least one inflection point, its image-side surface 982 has at least one inflection point, and its image-side surface 982 has at least one critical point off-axis.

[0383] The ninth lens 990 has positive refractive power and is made of plastic. Its object side surface 991 is convex near the optical axis, and its image side surface 992 is concave near the optical axis. Both surfaces are aspherical. Its object side surface 991 has at least one inflection point, its image side surface 992 has at least one inflection point, and its image side surface 992 has at least one critical point off the axis.

[0384] The tenth lens 993 has negative refractive power and is made of plastic. Its object side surface 994 is convex at the near optical axis, and its image side surface 995 is concave at the near optical axis. Both surfaces are aspherical. Its object side surface 994 has at least one inflection point, its image side surface 995 has at least one inflection point, and its image side surface 995 has at least one critical point off the axis.

[0385] The filter element 997 is made of glass and is disposed between the tenth lens 993 and the imaging surface 998 , and does not affect the focal length of the optical imaging system assembly.

[0386] Please refer to Table 17 and Table 18 below.

[0387]

[0388]

[0389]

[0390]

[0391] In the ninth embodiment, the curve equation of the aspheric surface is expressed in the same form as in the first embodiment. In addition, the definitions described in the following table are the same as those in the first embodiment and are not repeated here.

[0392]

[0393]

[0394] <Tenth Embodiment>

[0395] Please refer to Figures 19 to 20 ,in Fig.19 FIG. 1 is a schematic diagram of an imaging device according to a tenth embodiment of the present invention. Fig. 20 From left to right are the spherical aberration, astigmatism and distortion curves of the tenth embodiment. Fig.19 It can be seen that the imaging device includes an optical imaging system set (not labeled) and an electronic photosensitive element 1099. The optical imaging system set includes an aperture 1000, a first lens 1010, a second lens 1020, a third lens 1030, a fourth lens 1040, a fifth lens 1050, a sixth lens 1060, a seventh lens 1070, a stop 1001, an eighth lens 1080, a ninth lens 1090, a tenth lens 1093, a filter element 1097 and an imaging surface 1098 along the optical path from the object side to the image side. Among them, the electronic photosensitive element 1099 is disposed on the imaging surface 1098. The optical imaging system set includes ten lenses (1010, 1020, 1030, 1040, 1050, 1060, 1070, 1080, 1090, 1093), and there is no other interpolated lens between the lenses.

[0396] The first lens 1010 has positive refractive power and is made of plastic. Its object-side surface 1011 is convex near the optical axis, and its image-side surface 1012 is concave near the optical axis. Both surfaces are aspherical, and the image-side surface 1012 has at least one inflection point.

[0397] The second lens 1020 has negative refractive power and is made of plastic. Its object-side surface 1021 is convex near the optical axis, and its image-side surface 1022 is concave near the optical axis. Both surfaces are aspherical.

[0398] The third lens 1030 has negative refractive power and is made of plastic. Its object-side surface 1031 is convex near the optical axis, and its image-side surface 1032 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 1031 has at least one inflection point, and its image-side surface 1032 has at least one inflection point.

[0399] The fourth lens 1040 has positive refractive power and is made of plastic. Its object-side surface 1041 is convex near the optical axis, and its image-side surface 1042 is convex near the optical axis. Both surfaces are aspherical, and its object-side surface 1041 has at least one inflection point.

[0400] The fifth lens 1050 has negative refractive power and is made of plastic. Its object-side surface 1051 is concave near the optical axis, and its image-side surface 1052 is convex near the optical axis. Both surfaces are aspherical.

[0401] The sixth lens 1060 has negative refractive power and is made of plastic. Its object-side surface 1061 is concave near the optical axis, and its image-side surface 1062 is convex near the optical axis. Both surfaces are aspherical. Its object-side surface 1061 has at least one inflection point, and its image-side surface 1062 has at least one inflection point.

[0402] The seventh lens 1070 has positive refractive power and is made of plastic. Its object-side surface 1071 is convex near the optical axis, and its image-side surface 1072 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 1071 has at least one inflection point, and its image-side surface 1072 has at least one inflection point.

[0403] The eighth lens 1080 has negative refractive power and is made of plastic. Its object-side surface 1081 is convex near the optical axis, and its image-side surface 1082 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 1081 has at least one inflection point, its image-side surface 1082 has at least one inflection point, and its image-side surface 1082 has at least one critical point at an off-axis position.

[0404] The ninth lens 1090 has positive refractive power and is made of plastic. Its object-side surface 1091 is convex near the optical axis, and its image-side surface 1092 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 1091 has at least one inflection point, its image-side surface 1092 has at least one inflection point, and its image-side surface 1092 has at least one critical point at an off-axis position.

[0405] The tenth lens 1093 has negative refractive power and is made of plastic. Its object-side surface 1094 is concave near the optical axis, and its image-side surface 1095 is concave near the optical axis. Both surfaces are aspherical. Its object-side surface 1094 has at least one inflection point, its image-side surface 1095 has at least one inflection point, and its image-side surface 1095 has at least one critical point off-axis.

[0406] The filter element 1097 is made of glass and is disposed between the tenth lens 1093 and the imaging surface 1098 , and does not affect the focal length of the optical imaging system set.

[0407] Please refer to Table 19 and Table 20 below.

[0408]

[0409]

[0410]

[0411]

[0412]

[0413] In the tenth embodiment, the curve equation of the aspheric surface is expressed in the same form as in the first embodiment. In addition, the definitions described in the following table are the same as those in the first embodiment and are not repeated here.

[0414]

[0415] <Eleventh Embodiment>

[0416] Please refer to Fig.21 , is a three-dimensional schematic diagram of an imaging device according to the eleventh embodiment of the present invention. In this embodiment, the imaging device 10 is a camera module. The imaging device 10 includes an imaging lens 11, a driving device 12, an electronic photosensitive element 13, and an image stabilization module 14. The imaging lens 11 includes the optical imaging system group of the first embodiment, a lens barrel (not separately labeled) for carrying the optical imaging system group, and a support device (Holder Member, not separately labeled). The imaging lens 11 can also be changed to configure the optical imaging system group of other embodiments described above, and the present invention is not limited thereto. The imaging device 10 uses the imaging lens 11 to focus light to generate an image, and cooperates with the driving device 12 to focus the image, and finally forms an image on the electronic photosensitive element 13 and can be output as image data.

[0417] The driving device 12 may have an auto-focus function, and its driving method may use a driving system such as a voice coil motor (VCM), a micro electro-mechanical system (MEMS), a piezoelectric system (Piezoelectric), and a shape memory alloy. The driving device 12 allows the imaging lens 11 to obtain a better imaging position, and can provide a clear image of the subject at different object distances. In addition, the imaging device 10 is equipped with an electronic photosensitive element 13 (such as CMOS, CCD) with good sensitivity and low noise, which is arranged on the imaging surface of the optical imaging system group, and can truly present the good imaging quality of the optical imaging system group. Among them, the electronic photosensitive element 13 has at least 40 million pixels; thereby, it can provide users with better image detail.

[0418] The image stabilization module 14 is, for example, an accelerometer, a gyroscope, or a Hall Effect Sensor. The driving device 12 can be used in conjunction with the image stabilization module 14 to serve as an optical image stabilization (OIS) device, which can compensate for the blurry image caused by shaking at the moment of shooting by adjusting the changes in different axes of the imaging lens 11, or use the image compensation technology in the imaging software to provide an electronic image stabilization (EIS) function, thereby further improving the image quality of dynamic and low-light scene shooting.

[0419] <Twelfth Embodiment>

[0420] Please refer to Figure 22 to Figure 24 ,in Fig. 22 FIG. 1 is a three-dimensional schematic diagram showing one side of an electronic device according to a twelfth embodiment of the present invention. Fig.23 Draw Fig. 22 A three-dimensional schematic diagram of the other side of the electronic device, and Fig.24 Draw Fig. 22 A system block diagram of an electronic device.

[0421] In the present embodiment, the electronic device 20 is a smart phone. The electronic device 20 comprises the imaging device 10, the imaging device 10a, the imaging device 10b, the imaging device 10c, the imaging device 10d, the flash module 21, the focus auxiliary module 22, the image signal processor 23 (Image Signal Processor), the user interface 24 and the image software processor 25 of the eleventh embodiment. The imaging device 10 and the imaging device 10a are both arranged on the same side of the electronic device 20 and are all single focus. The imaging device 10b, the imaging device 10c, the imaging device 10d and the user interface 24 are all arranged on the other side of the electronic device 20, and the user interface 24 is a display device, so that the imaging device 10b, the imaging device 10c and the imaging device 10d can be used as a front lens to provide a selfie function, but the present invention is not limited thereto. Furthermore, the imaging device 10a, the imaging device 10b, the imaging device 10c and the imaging device 10d may all include the optical imaging system of the present invention and may all have a similar structural configuration to the imaging device 10. Specifically, the imaging device 10a, the imaging device 10b, the imaging device 10c and the imaging device 10d may each include an imaging lens, a driving device, an electronic photosensitive element and an image stabilization module. The imaging lenses of the imaging device 10a, the imaging device 10b, the imaging device 10c and the imaging device 10d may each include, for example, an optical lens group of the optical imaging system of the present invention, a lens barrel for carrying the optical lens group and a supporting device.

[0422] The imaging device 10 is a wide-angle imaging device, the imaging device 10a is an ultra-wide-angle imaging device, the imaging device 10b is a wide-angle imaging device, the imaging device 10c is an ultra-wide-angle imaging device, and the imaging device 10d is a time of flight (ToF) imaging device. The imaging device 10 and the imaging device 10a of this embodiment have different viewing angles, so that the electronic device 20 can provide different magnifications to achieve the shooting effect of optical zoom. Among them, the maximum viewing angle of the imaging device 10 differs from the maximum viewing angle of the imaging device 10a by at least 30 degrees; thereby, the electronic device 20 can obtain images of different ranges and details to meet various usage scenarios. In addition, the imaging device 10d can obtain depth information of the image. The above-mentioned electronic device 20 is taken as an example including multiple imaging devices 10, 10a, 10b, 10c, and 10d, but the number and configuration of the imaging devices are not used to limit the present invention.

[0423] When the user shoots the subject 26, the electronic device 20 uses the imaging device 10 or the imaging device 10a to focus and capture the image, activates the flash module 21 for fill light, and uses the object distance information of the subject 26 provided by the focus auxiliary module 22 for rapid focus, and the image signal processor 23 performs image optimization processing to further improve the image quality produced by the optical imaging system group. The focus auxiliary module 22 can use an infrared or laser focus auxiliary system to achieve rapid focus. In addition, the electronic device 20 can also use the imaging device 10b, the imaging device 10c or the imaging device 10d to shoot. The user interface 24 can use a touch screen to cooperate with the diverse functions of the image software processor 25 to perform image shooting and image processing (or a physical shooting button can be used for shooting). The image processed by the image software processor 25 can be displayed on the user interface 24.

[0424] <Thirteenth Embodiment>

[0425] Please refer to Fig.25 , is a three-dimensional schematic diagram illustrating one side of an electronic device according to the thirteenth embodiment of the present invention.

[0426] In this embodiment, the electronic device 30 is a smart phone. The electronic device 30 includes the imaging device 10, the imaging device 10e, the imaging device 10f, the flash module 31, the focus auxiliary module, the image signal processor, the display device and the image software processor (not shown) of the eleventh embodiment. The imaging device 10, the imaging device 10e and the imaging device 10f are all configured on the same side of the electronic device 30, and the display device is configured on the other side of the electronic device 30. Moreover, the imaging device 10e and the imaging device 10f can both include the optical imaging system set of the present invention and can both have a similar structural configuration as the imaging device 10, which will not be described in detail here.

[0427] The imaging device 10 is a wide-angle imaging device, the imaging device 10e is a telephoto imaging device, and the imaging device 10f is an ultra-wide-angle imaging device. The imaging devices 10, 10e, and 10f of the present embodiment have different viewing angles, so that the electronic device 30 can provide different magnifications to achieve an optical zoom shooting effect. In addition, the imaging device 10e is a telephoto imaging device with an optical path turning element configuration, so that the total length of the imaging device 10e is not limited by the thickness of the electronic device 30. The optical path turning element configuration of the imaging device 10e can, for example, have a configuration similar to Figures 28 to 30 The structure of Figures 28 to 30The electronic device 30 is described above as including a plurality of imaging devices 10, 10e, 10f, but the number and configuration of the imaging devices are not intended to limit the present invention. When a user photographs a subject, the electronic device 30 uses the imaging device 10, the imaging device 10e, or the imaging device 10f to focus light and capture an image, activates the flash module 31 for fill light, and performs subsequent processing in a manner similar to the aforementioned embodiment, which is not described in detail here.

[0428] <Fourteenth Embodiment>

[0429] Please refer to Fig.26 , is a three-dimensional schematic diagram illustrating one side of an electronic device according to the fourteenth embodiment of the present invention.

[0430] In the present embodiment, the electronic device 40 is a smart phone. The electronic device 40 includes the imaging device 10, the imaging device 10g, the imaging device 10h, the imaging device 10i, the imaging device 10j, the imaging device 10k, the imaging device 10m, the imaging device 10n, the imaging device 10p, the flash module 41, the focus auxiliary module, the image signal processor, the display device and the image software processor (not shown) of the eleventh embodiment. The imaging device 10, the imaging device 10g, the imaging device 10h, the imaging device 10i, the imaging device 10j, the imaging device 10k, the imaging device 10m, the imaging device 10n and the imaging device 10p are all arranged on the same side of the electronic device 40, and the display device is arranged on the other side of the electronic device 40. Furthermore, the imaging device 10g, the imaging device 10h, the imaging device 10i, the imaging device 10j, the imaging device 10k, the imaging device 10m, the imaging device 10n and the imaging device 10p may all include the optical imaging system set of the present invention and may all have a structural configuration similar to that of the imaging device 10, which will not be described in detail herein.

[0431] The imaging device 10 is a wide-angle imaging device, the imaging device 10g is a telephoto imaging device, the imaging device 10h is a telephoto imaging device, the imaging device 10i is a wide-angle imaging device, the imaging device 10j is an ultra-wide-angle imaging device, the imaging device 10k is an ultra-wide-angle imaging device, the imaging device 10m is a telephoto imaging device, the imaging device 10n is a telephoto imaging device, and the imaging device 10p is a time-of-flight ranging imaging device. The imaging devices 10, 10g, 10h, 10i, 10j, 10k, 10m and 10n of the present embodiment have different viewing angles, so that the electronic device 40 can provide different magnifications to achieve the optical zoom shooting effect. In addition, the imaging devices 10g and 10h can be telephoto imaging devices with an optical path turning element configuration. The configuration of the optical path deflection element of the imaging device 10g and the imaging device 10h may be similar to that of Figures 28 to 30 The structure of Figures 28 to 30 The description of the above-mentioned electronic device 40 will not be repeated here. In addition, the imaging device 10p can obtain the depth information of the image. The above-mentioned electronic device 40 is taken as an example including multiple imaging devices 10, 10g, 10h, 10i, 10j, 10k, 10m, 10n, 10p, but the number and configuration of the imaging devices are not used to limit the present invention. When the user shoots the subject, the electronic device 40 uses the imaging device 10, the imaging device 10g, the imaging device 10h, the imaging device 10i, the imaging device 10j, the imaging device 10k, the imaging device 10m, the imaging device 10n or the imaging device 10p to focus and capture the image, activates the flash module 41 for fill light, and performs subsequent processing in a manner similar to the aforementioned embodiment, which will not be repeated here.

[0432] The imaging device 10 of the present invention is not limited to being used in smart phones. The imaging device 10 can be applied to a mobile focus system as required, and has the characteristics of excellent aberration correction and good imaging quality. For example, the imaging device 10 can be widely used in electronic devices such as three-dimensional (3D) image capture, digital cameras, mobile devices, tablet computers, smart TVs, network monitoring equipment, driving recorders, reversing imaging devices, multi-lens devices, identification systems, somatosensory game consoles and wearable devices. The aforementioned electronic devices are only exemplary examples of the actual application of the present invention, and do not limit the scope of application of the imaging device of the present invention.

[0433] Although the present invention is disclosed as above with the aforementioned preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art may make some changes and modifications without departing from the spirit and scope of the present invention. Therefore, the patent protection scope of the present invention shall be determined by the scope of protection of the claims attached to this specification.

Claims

1. An optical imaging system assembly, characterized in that: The optical imaging system comprises ten lenses, wherein the ten lenses are sequentially a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens from the object side to the image side along the optical path, and the ten lenses respectively have an object side surface facing the object side direction and an image side surface facing the image side direction, and the total number of lenses of the optical imaging system is ten; The optical imaging system further comprises an aperture, the first lens has positive refractive power, the second lens has negative refractive power, the fourth lens has positive refractive power, the eighth lens has negative refractive power, the ninth lens has positive refractive power, the image side surface of the ninth lens is concave near the optical axis, the image side surface of the ninth lens has at least one convex surface off-axis, the tenth lens has negative refractive power, and at least one of the object side surface of the tenth lens and the image side surface of the tenth lens has at least one inflection point; Wherein, the distance between the aperture and the image side surface of the tenth lens on the optical axis is SD, the distance between the object side surface of the first lens and the image side surface of the tenth lens on the optical axis is TD, the curvature radius of the image side surface of the ninth lens is R18, the curvature radius of the object side surface of the tenth lens is R19, the distance between the object side surface of the first lens and an imaging plane on the optical axis is TL, and the maximum imaging height of the optical imaging system group is ImgH, which satisfies the following conditions: 0.60 <SD / TD<1.20; -1.20<(R18+R19) / (R18-R19)<1.30; and 0.50 <TL / ImgH<2.50。 2. The optical imaging system according to claim 1, wherein: The object side surface of the first lens is convex at the near optical axis; Wherein, the focal length of the ninth lens is f9, and the focal length of the tenth lens is f10, which satisfies the following conditions: -0.55 <f10 / f9<0。 3. The optical imaging system according to claim 1, wherein: The Abbe number of the first lens is V1, the Abbe number of the second lens is V2, the Abbe number of the third lens is V3, the Abbe number of the fourth lens is V4, the Abbe number of the fifth lens is V5, the Abbe number of the sixth lens is V6, the Abbe number of the seventh lens is V7, the Abbe number of the eighth lens is V8, the Abbe number of the ninth lens is V9, the Abbe number of the tenth lens is V10, the Abbe number of the i-th lens is Vi, the refractive index of the first lens is N1, the refractive index of the second lens is N2, the refractive index of the third lens is N3, the refractive index of the fourth lens is N4, the refractive index of the fifth lens is N5, the refractive index of the sixth lens is N6, the refractive index of the seventh lens is N7, the refractive index of the eighth lens is N8, the refractive index of the ninth lens is N9, the refractive index of the tenth lens is N10, the refractive index of the i-th lens is Ni, and the minimum value of Vi / Ni is (Vi / Ni)min, which satisfies the following conditions: 9.20≤(Vi / Ni)min<11.80, where i=1, 2, 3, 4, 5, 6, 7, 8, 9 or 10.

4. The optical imaging system according to claim 1, wherein: The distance between the object side surface of the first lens and the imaging surface on the optical axis is TL, and the maximum imaging height of the optical imaging system is ImgH, which satisfies the following conditions: 1.20≤TL / ImgH<1.

35.

5. The optical imaging system set according to claim 1, characterized in that: At least one of the object-side surface and the image-side surface of each of the at least three lenses has at least one inflection point; The focal length of the optical imaging system is f, and the focal length of the eighth lens is f8, which satisfies the following conditions: -0.50 <f / f8<0.30。 6. The optical imaging system according to claim 1, wherein: The focal length of the optical imaging system is f, and the focal length of the ninth lens is f9, which satisfies the following conditions: 0.10 <f / f9<0.55。 7. The optical imaging system according to claim 1, wherein: The thickness of the third lens on the optical axis is CT3, and the thickness of the fourth lens on the optical axis is CT4, which satisfies the following conditions: 1.0 <CT4 / CT3<2.20。 8. The optical imaging system according to claim 1, wherein: The distance between the aperture and the image-side surface of the tenth lens on the optical axis is SD, the distance between the object-side surface of the first lens and the image-side surface of the tenth lens on the optical axis is TD, the curvature radius of the image-side surface of the ninth lens is R18, the curvature radius of the object-side surface of the tenth lens is R19, the distance between the object-side surface of the first lens and the imaging plane on the optical axis is TL, and the maximum imaging height of the optical imaging system group is ImgH, which satisfies the following conditions: 0.80 <SD / TD<1.0; -1.10<(R18+R19) / (R18-R19)<0.50; and 0.90 <TL / ImgH<1.35。 9. The optical imaging system according to claim 1, wherein: The entrance pupil diameter of the optical imaging system is EPD, and the distance from the image side surface of the tenth lens to the imaging plane on the optical axis is BL, which satisfies the following conditions: 2.40 <EPD / BL<6.0。 10. An imaging device, characterized in that: Include: The optical imaging system according to claim 1; and An electronic photosensitive element is disposed on the imaging surface of the optical imaging system assembly, wherein the electronic photosensitive element has at least 40 million pixels.

11. An electronic device, characterized in that: At least two imaging devices are included, and the at least two imaging devices are located on the same side of the electronic device, wherein the at least two imaging devices include: a first imaging device, comprising the optical imaging system set according to claim 1 and an electronic photosensitive element, wherein the electronic photosensitive element is disposed on the imaging surface of the optical imaging system set; and A second imaging device, comprising an optical lens assembly and an electronic photosensitive element, wherein the electronic photosensitive element is disposed on an imaging surface of the optical lens assembly; Wherein, the maximum viewing angle of the first imaging device differs from the maximum viewing angle of the second imaging device by at least 30 degrees.

12. An optical imaging system assembly, characterized in that: The optical imaging system comprises ten lenses, wherein the ten lenses are sequentially a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens from the object side to the image side along the optical path, and the ten lenses respectively have an object side surface facing the object side direction and an image side surface facing the image side direction, and the total number of lenses of the optical imaging system is ten; Wherein, the optical imaging system group further includes an aperture. The first lens has a positive refractive power, the second lens has a negative refractive power, the third lens has a positive refractive power, the fourth lens has a positive refractive power, the eighth lens has a negative refractive power, the ninth lens has a positive refractive power. The image-side surface of the ninth lens is concave near the optical axis and has at least one convex surface off the axis. The tenth lens has a negative refractive power. The object-side surface of the tenth lens is concave near the optical axis, and at least one of the object-side surface and the image-side surface of the tenth lens has at least one inflection point; Wherein, the distance between the aperture and the image-side surface of the tenth lens on the optical axis is SD, the distance from the object-side surface of the first lens to the image-side surface of the tenth lens on the optical axis is TD, the radius of curvature of the image-side surface of the ninth lens is R18, the radius of curvature of the object-side surface of the tenth lens is R19, the spacing distance between the ninth lens and the tenth lens on the optical axis is T910, and the thickness of the first lens on the optical axis is CT1, which satisfy the following conditions: 0.60 < SD / TD < 1.20; -1.20 < (R18 + R19) / (R18 - R19) < 1.30; and 0 < T910 / CT1 < 3.

5.

13. The optical imaging system set according to claim 12, wherein: The image-side surface of the tenth lens is concave near the optical axis and has at least one convex surface off the axis.

14. The optical imaging system set according to claim 12, wherein: The focal length of the optical imaging system group is f, the entrance pupil diameter of the optical imaging system group is EPD, and the maximum refractive index among all the lenses of the optical imaging system group is Nmax, which satisfy the following conditions: 0.80 < f / EPD ≤ 2.0; and 1.66 < Nmax < 1.

78.

15. The optical imaging system according to claim 12, wherein: The Abbe number of the fifth lens is V5, and the Abbe number of the sixth lens is V6, which satisfy the following conditions: 43.9 ≤ V5 + V6 < 70.

0.

16. The optical imaging system according to claim 12, wherein: The image-side surface of the eighth lens has at least one critical point off the axis, the image-side surface of the ninth lens has at least one critical point off the axis, and the image-side surface of the tenth lens has at least one critical point off the axis; Wherein, the distance from the object-side surface of the first lens to an imaging surface on the optical axis is TL, and the focal length of the optical imaging system group is f, which satisfy the following conditions: 0.80 < TL / f < 1.

30.

17. The optical imaging system according to claim 12, wherein: The distance between the aperture and the image-side surface of the tenth lens on the optical axis is SD, the distance from the object-side surface of the first lens to the image-side surface of the tenth lens on the optical axis is TD, the radius of curvature of the image-side surface of the ninth lens is R18, the radius of curvature of the object-side surface of the tenth lens is R19, the distance from the object-side surface of the first lens to an imaging surface on the optical axis is TL, and the maximum imaging height of the optical imaging system group is ImgH, which satisfy the following conditions: 0.85 ≤ SD / TD ≤ 0.92; -1.10 < (R18 + R19) / (R18 - R19) ≤ -0.37; and 0.90 < TL / ImgH < 1.

55.

18. The optical imaging system according to claim 12, wherein: The radius of curvature of the object side surface of the seventh lens is R13, and the thickness of the fifth lens on the optical axis is CT5, which meets the following conditions: 10.0<|R13 / CT5|<45.

0.

19. The optical imaging system according to claim 12, wherein: The interval between the ninth lens and the tenth lens on the optical axis is T910, the thickness of the first lens on the optical axis is CT1, the focal length of the optical imaging system is f, the focal length of the first lens is f1, and the curvature radius of the image side surface of the eighth lens is R16, which satisfies the following conditions: 0.20 <T910 / CT1<1.0; 1.23 ≤ f / R16 ≤ 1.94; and 0.90 <f / f1≤1.22。 20. An optical imaging system assembly, characterized in that: The optical imaging system comprises ten lenses, wherein the ten lenses are sequentially a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens from the object side to the image side along the optical path, and the ten lenses respectively have an object side surface facing the object side direction and an image side surface facing the image side direction, and the total number of lenses of the optical imaging system is ten; The optical imaging system further comprises an aperture, the first lens has positive refractive power, the second lens has negative refractive power, the fourth lens has positive refractive power, the image side surface of the eighth lens is concave near the optical axis, and the image side surface of the eighth lens has at least one convex surface off the axis, the ninth lens has positive refractive power, the image side surface of the ninth lens is concave near the optical axis, and the image side surface of the ninth lens has at least one convex surface off the axis, the tenth lens has negative refractive power, and at least one of the object side surface of the tenth lens and the image side surface of the tenth lens has at least one inflection point; Wherein, the distance between the aperture and the image-side surface of the tenth lens on the optical axis is SD, the distance between the object-side surface of the first lens and the image-side surface of the tenth lens on the optical axis is TD, the radius of curvature of the image-side surface of the eighth lens is R16, the radius of curvature of the image-side surface of the ninth lens is R18, the radius of curvature of the object-side surface of the tenth lens is R19, the focal length of the optical imaging system group is f, and the focal length of the first lens is f1, which satisfies the following conditions: 0.30 <SD / TD<1.20; -5.0<(R18+R19) / (R18-R19)<5.0; 1.23≤f / R16<3.50; and 0.60 <f / f1<2.50。 21. The optical imaging system according to claim 20, wherein: The object side surface of the second lens is convex at the near optical axis, the image side surface of the second lens is concave at the near optical axis, the image side surface of the third lens is concave at the near optical axis, and at least four lenses in the optical imaging system set are made of plastic.

22. The optical imaging system according to claim 20, wherein: The Abbe number of at least four lenses in the optical imaging system is less than 40.0; The distance between the image side surface of the tenth lens and an imaging plane on the optical axis is BL, and the distance between the object side surface of the first lens and the image side surface of the tenth lens on the optical axis is TD, which satisfies the following conditions: 0 <BL / TD<0.25。 23. The optical imaging system according to claim 20, wherein: The maximum imaging height of the optical imaging system group is ImgH, and the distance from the image side surface of the tenth lens to an imaging plane on the optical axis is BL, which satisfies the following conditions: 5.0 < ImgH / BL < 20.

0.

24. The optical imaging system according to claim 20, wherein: Among all the lenses of the optical imaging system group, the maximum thickness of a single lens on the optical axis is CTmax, and the minimum thickness of a single lens on the optical axis is CTmin. The focal length of the optical imaging system group is f, and the focal length of the second lens is f2, which satisfies the following conditions: 2.0 < CTmax / CTmin < 5.5; and -3.0 < f / f2 < -0.

25.

25. The optical imaging system according to claim 20, wherein: The maximum effective radius of the image side surface of the third lens is Y32, and the maximum effective radius of the image side surface of the tenth lens is Y102, which satisfies the following conditions: 2.80 < Y102 / Y32 < 5.

50.

26. The optical imaging system according to claim 20, wherein: The focal length of the optical imaging system group is f, the focal length of the third lens is f3, the focal length of the fifth lens is f5, the focal length of the sixth lens is f6, the focal length of the seventh lens is f7, and the focal length of the eighth lens is f8, which satisfies the following conditions: 0 < |f / f3| + |f / f5| + |f / f6| + |f / f7| + |f / f8| < 1.

10.

27. The optical imaging system according to claim 20, wherein: The Abbe number of the sixth lens is V6, which satisfies the following conditions: 10.0<V6<40.0。 28. The optical imaging system according to claim 20, wherein: The focal length of the optical imaging system group is f, the radius of curvature of the image side surface of the tenth lens is R20, the total thickness of all the lenses of the optical imaging system group on the optical axis is ΣCT, and the distance from the object side surface of the first lens to the image side surface of the tenth lens on the optical axis is TD, which satisfies the following conditions: 0.60 < f / R20 < 2.50; and 0.45 < ΣCT / TD < 1.0.

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