Imaging device and electronic device equipped with the same
By incorporating telephoto, wide-angle, and ultra-wide-angle lens groups into the camera device, combined with monochrome and color image sensors, the shortcomings of single-lens devices in image quality, shooting range, and low-light performance are overcome, achieving high-definition, wide-angle, and large depth-of-field imaging effects, adapting to a variety of shooting scenarios.
Patent Information
- Application Number
- CN202311568573.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2019-06-04
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2039-06-04
AI Technical Summary
Existing single-lens camera devices struggle to simultaneously meet the demands for high image quality, a wide shooting range, and low-light shooting performance, and also present challenges in miniaturization design.
It employs a three-lens configuration, including a telephoto lens group, a wide-angle lens group, and an ultra-wide-angle lens group, each equipped with a monochrome and a color image sensor. The focal length, radius of curvature, and materials of the lens groups are rationally configured to achieve high-definition, wide-angle, and large depth-of-field imaging effects.
Without increasing the thickness of the camera device, the imaging quality and shooting experience are improved, providing large depth of field, high definition and ultra-wide angle characteristics, adapting to a variety of shooting scenarios, and maintaining good imaging effects even in low-light conditions.
Smart Images

Figure CN117492171B_ABST
Abstract
Description
[0001] Divisional application statement
[0002] This application is a divisional application of Chinese invention patent application filed on June 4, 2019, entitled "Camera Device and Electronic Device Equipped with the Camera Device" with application number 201910480136.X. Technical Field
[0003] This application relates to the field of optical components and systems, and more specifically, to a camera device and an electronic device equipped with the camera device. Background Technology
[0004] In recent years, with the widespread adoption of portable electronic products such as smartphones, tablets, and digital cameras, the camera technology in these products has also developed rapidly. However, consumers have increasingly higher demands for image quality, shooting range, and low-light shooting performance. Therefore, a single lens can hardly meet these needs simultaneously. Summary of the Invention
[0005] This application provides a camera device, the camera device comprising: a telephoto lens group, the telephoto lens group having an effective focal length f. A ; a wide-angle lens group, wherein the wide-angle lens group has an effective focal length f B The ultra-wide-angle lens group has a maximum half-field angle greater than 55°, wherein the telephoto lens group, the wide-angle lens group, and the ultra-wide-angle lens group are disposed on the same side of the imaging device and f A / f B >7.
[0006] According to an embodiment of this application, the telephoto lens group is a five-element lens group, which includes, from the object side to the imaging side, the following elements in sequence: a first telephoto lens with optical power; a second telephoto lens with negative optical power; a third telephoto lens with optical power; a fourth telephoto lens with positive optical power; and a fifth telephoto lens with optical power.
[0007] According to an embodiment of this application, the first lens of the telephoto group includes an object-side surface, an image-side surface, and a reflecting surface connecting the object-side surface and the image-side surface. The reflecting surface forms a 45° angle with both a first tangent plane passing through the center of the object-side surface and tangent to the object-side surface, and a second tangent plane passing through the center of the image-side surface and tangent to the image-side surface.
[0008] According to an embodiment of this application, the effective focal length f of the telephoto lens group A Meets the requirement of 18mm <f A <20mm.
[0009] According to an embodiment of this application, there is a gap between any two lenses in the first lens of the telephoto group to the fifth lens of the telephoto group.
[0010] According to an embodiment of this application, the camera device further includes a monochrome photosensitive chip paired with the telephoto lens group.
[0011] According to an embodiment of this application, the monochrome photosensitive chip is a MONO chip.
[0012] According to an embodiment of this application, the wide-angle lens group is a six-element lens group, and the wide-angle lens group includes, from the object side to the imaging side, the following elements in sequence: a first wide-angle lens having positive optical power; a second wide-angle lens having optical power; a third wide-angle lens having optical power; a fourth wide-angle lens having positive optical power; a fifth wide-angle lens having optical power; and a sixth wide-angle lens having negative optical power.
[0013] According to an embodiment of this application, the camera device further includes a color photosensitive chip paired with the wide-angle lens group.
[0014] According to an embodiment of this application, the effective focal length f of the wide-angle lens group B With the entrance pupil diameter (EPD) of the wide-angle lens group B Satisfy: f B / EPD B <2.0.
[0015] According to an embodiment of this application, the distance TTL between the object-side surface of the first lens of the wide-angle lens group and the imaging surface of the wide-angle lens group is... B The effective pixel area on the imaging plane of the wide-angle lens group has a half-diagonal length of ImgH. B Satisfy: TTL B / ImgH B <1.5.
[0016] According to an embodiment of this application, the effective focal length f1 of the first lens in the wide-angle group B The effective focal length f6 of the sixth lens in the wide-angle group B And the effective focal length f4 of the fourth lens in the wide-angle group. B Satisfy: 1.4 < (f1) B +f6 B ) / f4 B <3.4.
[0017] According to an embodiment of this application, the radius of curvature R1 of the object-side surface of the first lens of the wide-angle group is... B The radius of curvature R2 of the image-side surface of the first lens in the wide-angle group. B The radius of curvature R3 of the object-side surface of the second lens in the wide-angle group Band the radius of curvature R4 of the image-side surface of the second lens in the wide-angle group. B Satisfy: 0.8 < (R1) B +R2 B ) / (R3 B +R4 B )<1.4.
[0018] According to an embodiment of this application, the radius of curvature R11 of the object-side surface of the sixth lens of the wide-angle group is... B The radius of curvature R12 of the image-side surface of the sixth lens in the wide-angle group. B The radius of curvature R5 of the object-side surface of the third lens in the wide-angle group. B and the radius of curvature R6 of the image-side surface of the third lens in the wide-angle group. B Satisfy: 0.5 < (R11) B +R12 B ) / (R5 B +R6 B )<0.8.
[0019] According to an embodiment of this application, the image-side surface of the fourth lens of the wide-angle group is convex and the image-side surface of the fifth lens of the wide-angle group is concave.
[0020] According to an embodiment of this application, the second lens of the wide-angle group has positive optical power, the object side of the second lens of the wide-angle group is convex, and the image side of the second lens of the wide-angle group is concave.
[0021] According to an embodiment of this application, there is a gap between any two lenses in the wide-angle group, from the first lens to the sixth lens.
[0022] According to an embodiment of this application, at least four lenses in the wide-angle group, from the first lens to the sixth lens, are made of plastic material.
[0023] According to an embodiment of this application, the ultra-wide-angle lens group is a six-element lens group, and the ultra-wide-angle lens group includes, from the object side to the imaging side, the following elements in sequence: a first ultra-wide-angle lens with negative optical power; a second ultra-wide-angle lens with optical power; a third ultra-wide-angle lens with positive optical power; a fourth ultra-wide-angle lens with optical power; a fifth ultra-wide-angle lens with positive optical power; and a sixth ultra-wide-angle lens with optical power.
[0024] According to an embodiment of this application, the camera device further includes a color photosensitive chip paired with the ultra-wide-angle lens group.
[0025] According to an embodiment of this application, the effective focal length f3 of the third lens in the ultra-wide-angle group C The effective focal length f5 of the fifth lens in the ultra-wide-angle group Cand the effective focal length f1 of the first lens of the ultra-wide-angle group. C Satisfy: -1.2 < (f3) C +f5 C ) / f1 C <-0.4.
[0026] According to an embodiment of this application, the effective focal length f4 of the fourth lens in the ultra-wide-angle group C The radius of curvature R7 of the object-side surface of the fourth lens in the ultra-wide-angle group. C and the radius of curvature R8 of the image-side surface of the fourth lens of the ultra-wide-angle group. C Satisfies: 0.6 <f4 C / (R7 C +R8 C )<1.4.
[0027] According to an embodiment of this application, the radius of curvature R11 of the object-side surface of the sixth lens of the ultra-wide-angle group is... C The radius of curvature R12 of the image-side surface of the sixth lens in the ultra-wide-angle group. C The radius of curvature R9 of the object-side surface of the fifth lens in the ultra-wide-angle group. C and the radius of curvature R10 of the image-side surface of the fifth lens of the ultra-wide-angle group. C Satisfy: -1.0 < (R11) C +R12 C ) / (R9 C +R10 C )<-0.3.
[0028] According to an embodiment of this application, at least four lenses in the first to sixth lenses of the ultra-wide-angle group are made of plastic material.
[0029] According to an embodiment of this application, the color photosensitive chip is an RGB chip or an RGBW chip.
[0030] According to an embodiment of this application, the telephoto lens group, the wide-angle lens group, and the ultra-wide-angle lens group are arranged horizontally or vertically on one side of the camera device.
[0031] According to an embodiment of this application, the images captured by the telephoto lens group, the wide-angle lens group, and the ultra-wide-angle lens group are combined into a composite image.
[0032] This application also provides a camera device, the camera device comprising: a telephoto lens group, the telephoto lens group including a first telephoto lens closest to the object side, the first telephoto lens including an object side side, an image side side, and a reflecting surface connecting the object side side and the image side side, the reflecting surface forming a 45° angle with a first tangent plane passing through the center of the object side side and tangent to the object side side and a second tangent plane passing through the center of the image side side and tangent to the image side side; a wide-angle lens group; and an ultra-wide-angle lens group, the field of view of the ultra-wide-angle lens group being greater than the field of view of the telephoto lens group and the field of view of the wide-angle lens group, wherein the effective focal length f of the telephoto lens group is... A With the effective focal length f of the wide-angle lens group B Meets the requirement of 18mm <f A <20mm; and f A / f B >7.
[0033] According to an embodiment of this application, the telephoto lens group is a five-element lens group, which includes, from the object side to the imaging side, the following elements in sequence: a first telephoto lens with optical power; a second telephoto lens with negative optical power; a third telephoto lens with optical power; a fourth telephoto lens with positive optical power; and a fifth telephoto lens with optical power.
[0034] According to an embodiment of this application, there is a gap between any two lenses in the first lens of the telephoto group to the fifth lens of the telephoto group.
[0035] According to an embodiment of this application, the camera device further includes a monochrome photosensitive chip paired with the telephoto lens group.
[0036] According to an embodiment of this application, the monochrome photosensitive chip is a MONO chip.
[0037] According to an embodiment of this application, the wide-angle lens group is a six-element lens group, and the wide-angle lens group includes, from the object side to the imaging side, the following elements in sequence: a first wide-angle lens having positive optical power; a second wide-angle lens having optical power; a third wide-angle lens having optical power; a fourth wide-angle lens having positive optical power; a fifth wide-angle lens having optical power; and a sixth wide-angle lens having negative optical power.
[0038] According to an embodiment of this application, the camera device further includes a color photosensitive chip paired with the wide-angle lens group.
[0039] According to an embodiment of this application, the effective focal length f of the wide-angle lens group B With the entrance pupil diameter (EPD) of the wide-angle lens group B Satisfy: f B / EPD B<2.0.
[0040] According to an embodiment of this application, the distance TTL between the object-side surface of the first lens of the wide-angle lens group and the imaging surface of the wide-angle lens group is... B The effective pixel area on the imaging plane of the wide-angle lens group has a half-diagonal length of ImgH. B Satisfy: TTL B / ImgH B <1.5.
[0041] According to an embodiment of this application, the effective focal length f1 of the first lens in the wide-angle group B The effective focal length f6 of the sixth lens in the wide-angle group B And the effective focal length f4 of the fourth lens in the wide-angle group. B Satisfy: 1.4 < (f1) B +f6 B ) / f4 B <3.4.
[0042] According to an embodiment of this application, the radius of curvature R1 of the object-side surface of the first lens of the wide-angle group is... B The radius of curvature R2 of the image-side surface of the first lens in the wide-angle group. B The radius of curvature R3 of the object-side surface of the second lens in the wide-angle group B and the radius of curvature R4 of the image-side surface of the second lens in the wide-angle group. B Satisfy: 0.8 < (R1) B +R2 B ) / (R3 B +R4 B )<1.4.
[0043] According to an embodiment of this application, the radius of curvature R11 of the object-side surface of the sixth lens of the wide-angle group is... B The radius of curvature R12 of the image-side surface of the sixth lens in the wide-angle group. B The radius of curvature R5 of the object-side surface of the third lens in the wide-angle group. B and the radius of curvature R6 of the image-side surface of the third lens in the wide-angle group. B Satisfy: 0.5 < (R11) B +R12 B ) / (R5 B +R6 B )<0.8.
[0044] According to an embodiment of this application, the image-side surface of the fourth lens of the wide-angle group is convex and the image-side surface of the fifth lens of the wide-angle group is concave.
[0045] According to an embodiment of this application, the second lens of the wide-angle group has positive optical power, the object side of the second lens of the wide-angle group is convex, and the image side of the second lens of the wide-angle group is concave.
[0046] According to an embodiment of this application, there is a gap between any two lenses in the wide-angle group, from the first lens to the sixth lens.
[0047] According to an embodiment of this application, at least four lenses in the wide-angle group, from the first lens to the sixth lens, are made of plastic material.
[0048] According to an embodiment of this application, the ultra-wide-angle lens group is a six-element lens group, and the ultra-wide-angle lens group includes, from the object side to the imaging side, the following elements in sequence: a first ultra-wide-angle lens with negative optical power; a second ultra-wide-angle lens with optical power; a third ultra-wide-angle lens with positive optical power; a fourth ultra-wide-angle lens with optical power; a fifth ultra-wide-angle lens with positive optical power; and a sixth ultra-wide-angle lens with optical power.
[0049] According to an embodiment of this application, the camera device further includes a color photosensitive chip paired with the ultra-wide-angle lens group.
[0050] According to an embodiment of this application, the effective focal length f3 of the third lens in the ultra-wide-angle group C The effective focal length f5 of the fifth lens in the ultra-wide-angle group C and the effective focal length f1 of the first lens of the ultra-wide-angle group. C Satisfy: -1.2 < (f3) C +f5 C ) / f1 C <-0.4.
[0051] According to an embodiment of this application, the effective focal length f4 of the fourth lens in the ultra-wide-angle group C The radius of curvature R7 of the object-side surface of the fourth lens in the ultra-wide-angle group. C and the radius of curvature R8 of the image-side surface of the fourth lens of the ultra-wide-angle group. C Satisfies: 0.6 <f4 C / (R7 C +R8 C )<1.4.
[0052] According to an embodiment of this application, the radius of curvature R11 of the object-side surface of the sixth lens of the ultra-wide-angle group is... C The radius of curvature R12 of the image-side surface of the sixth lens in the ultra-wide-angle group. C The radius of curvature R9 of the object-side surface of the fifth lens in the ultra-wide-angle group. C and the radius of curvature R10 of the image-side surface of the fifth lens of the ultra-wide-angle group. CSatisfy: -1.0 < (R11) C +R12 C ) / (R9 C +R10 C )<-0.3.
[0053] According to an embodiment of this application, the maximum half field of view of the ultra-wide-angle lens group is greater than 55°.
[0054] According to an embodiment of this application, at least four lenses in the first to sixth lenses of the ultra-wide-angle group are made of plastic material.
[0055] According to an embodiment of this application, the color photosensitive chip is an RGB chip or an RGBW chip.
[0056] According to an embodiment of this application, the telephoto lens group, the wide-angle lens group, and the ultra-wide-angle lens group are arranged horizontally or vertically on one side of the camera device.
[0057] According to an embodiment of this application, the images captured by the telephoto lens group, the wide-angle lens group, and the ultra-wide-angle lens group are combined into a composite image.
[0058] This application also provides an electronic device, which includes any of the above-described camera devices.
[0059] By properly configuring the lens groups, the camera device can better adapt to various shooting scenarios. Attached Figure Description
[0060] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments, taken in conjunction with the accompanying drawings. In the drawings:
[0061] Figure 1 This is a schematic diagram illustrating a camera device according to an embodiment of this application;
[0062] Figure 2 This is a schematic diagram illustrating another imaging device according to an embodiment of this application;
[0063] Figure 3 This is a schematic diagram showing the structure of the telephoto lens group of Embodiment 1 of this application;
[0064] Figure 4 This is a schematic diagram of the optical path of the telephoto lens group in Embodiment 1 of this application;
[0065] Figure 5A and Figure 5B The astigmatism curve and distortion curve of the telephoto lens group in Embodiment 1 of this application are shown respectively;
[0066] Figure 6This is a schematic diagram showing the structure of the wide-angle lens group of Embodiment 2 of this application;
[0067] Figure 7A , Figure 7B , Figure 7C and Figure 7D These are schematic diagrams showing the on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration curve of the wide-angle lens group in Embodiment 2 of this application, respectively.
[0068] Figure 8 This is a schematic diagram showing the structure of the wide-angle lens group of Embodiment 3 of this application;
[0069] Figure 9A , Figure 9B , Figure 9C and Figure 9D These are schematic diagrams showing the on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration curve of the wide-angle lens group of Embodiment 3 of this application, respectively.
[0070] Figure 10 This is a schematic diagram showing the structure of the wide-angle lens group of Embodiment 4 of this application;
[0071] Figure 11A , Figure 11B , Figure 11C and Figure 11D These are schematic diagrams showing the on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration curve of the wide-angle lens group in Embodiment 4 of this application, respectively.
[0072] Figure 12 This is a schematic diagram showing the structure of the ultra-wide-angle lens group of Embodiment 5 of this application;
[0073] Figure 13A , Figure 13B , Figure 13C and Figure 13D These are schematic diagrams showing the on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration curve of the ultra-wide-angle lens group of Embodiment 5 of this application, respectively.
[0074] Figure 14 This is a schematic diagram showing the structure of the ultra-wide-angle lens group of Embodiment 6 of this application;
[0075] Figure 15A , Figure 15B , Figure 15C and Figure 15D These are schematic diagrams showing the on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration curve of the ultra-wide-angle lens group of Embodiment 5 of this application, respectively.
[0076] Figure 16 This is a schematic diagram showing the structure of the ultra-wide-angle lens group of Embodiment 7 of this application; and
[0077] Figure 17A , Figure 17B , Figure 17C and Figure 17D These are schematic diagrams showing the on-axis chromatic aberration curve, astigmatism curve, distortion curve, and magnification chromatic aberration curve of the ultra-wide-angle lens group of Embodiment 5 of this application. Detailed Implementation
[0078] To better understand this application, various aspects of this application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are merely illustrative of exemplary embodiments of this application and are not intended to limit the scope of this application in any way. Throughout the specification, the same reference numerals refer to the same elements. The expression "and / or" includes any and all combinations of one or more of the associated listed items.
[0079] It should be noted that, unless otherwise expressly stated, the terms "first," "second," "third," etc., in this specification are used only to distinguish one feature from another and do not imply any limitation on the features. Therefore, without departing from the teachings of this application, the first photosensitive chip discussed below may also be referred to as the second photosensitive chip.
[0080] In the accompanying drawings, the thickness, size, and shape of the lenses have been slightly exaggerated for ease of illustration. Specifically, the shapes of the spherical or aspherical surfaces shown in the drawings are illustrated by way of example. That is, the shapes of the spherical or aspherical surfaces are not limited to those shown in the drawings. The drawings are for illustrative purposes only and are not strictly to scale.
[0081] In this article, the paraxial region refers to the region near the optical axis. If the lens surface is convex and the location of the convexity is not defined, it means that the lens surface is convex at least in the paraxial region; if the lens surface is concave and the location of the concaveness is not defined, it means that the lens surface is concave at least in the paraxial region. In each lens, the surface closest to the subject is called the object-side surface of the lens; in each lens, the surface closest to the imaging plane is called the image-side surface of the lens.
[0082] It should also be understood that the terms "comprising," "including," "having," "containing," and / or "comprising," when used in this specification, indicate the presence of the stated features, elements, and / or components, but do not exclude the presence or addition of one or more other features, elements, components, and / or combinations thereof. Furthermore, when expressions such as "at least one of..." appear after a list of listed features, they modify the entire list of features, not individual elements in the list. Additionally, when describing embodiments of this application, the word "may" is used to mean "one or more embodiments of this application." And the term "exemplary" is intended to refer to an example or illustration.
[0083] Unless otherwise specified, all terms used herein (including technical and scientific terms) shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. It should also be understood that terms (e.g., those defined in common dictionaries) shall be interpreted as having the meaning consistent with their meaning in the context of the relevant art and shall not be interpreted in an idealized or overly formal sense unless expressly so specified herein.
[0084] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.
[0085] As mentioned above, while consumers are demanding higher image quality, shooting range, and low-light shooting performance from camera devices, the trend towards thinner and lighter electronic products is also creating a stronger need for miniaturization of camera devices (especially in terms of thickness in a certain dimension). This application provides a camera device integrating three sets of optical lenses, which can provide better adaptability to shooting scenarios without significantly increasing the thickness of the camera device.
[0086] Figure 1 and Figure 2 This is a schematic diagram illustrating a camera device according to an embodiment of this application. (Refer to...) Figure 1 and Figure 2 The camera device includes: a telephoto lens group A, which has an effective focal length f. A Wide-angle lens group B, which has an effective focal length f B ; and ultra-wide-angle lens group C, whose maximum half-field angle is greater than 55°. Telephoto lens group A, wide-angle lens group B, and ultra-wide-angle lens group C are positioned on the same side of the imaging device and f A / f B7. The camera device provided in this application can achieve high-definition detail shooting through the telephoto lens group A, expand the range of still objects that can be clearly imaged through the wide-angle lens group B in conjunction with the telephoto lens group A, and capture a panoramic view with a wider field of view through the ultra-wide-angle lens group C. This camera device equipped with three optical lens groups provides both the miniaturization requirements of the camera device and an improved shooting experience. Meanwhile, the effective focal lengths of the telephoto lens group A and the wide-angle lens group B, within the aforementioned range, ensure that the camera device has a sufficiently large zoom magnification. This configuration effectively guarantees a depth of field for clear imaging. Furthermore, adjusting the ultra-wide-angle lens group C to a suitable field of view can improve the image height of the camera device while avoiding excessive aberrations at the edges of the field of view, helping to better maintain the high image quality of the camera device. This effectively ensures that the camera device has a wide field of view during imaging and guarantees a good shooting experience for the user.
[0087] like Figure 1 As shown, the telephoto lens group A, the wide-angle lens group B, and the ultra-wide-angle lens group C can be arranged vertically on one side of the camera device. Furthermore, it can also be arranged as follows... Figure 2 As shown, the telephoto lens group A, wide-angle lens group B, and ultra-wide-angle lens group C can be arranged horizontally on one side of the imaging device. Each of these groups can individually image an object. For example, the telephoto lens group A can be equipped with a first image sensor paired with it, the wide-angle lens group B can be equipped with a second image sensor paired with it, and the ultra-wide-angle lens group C can be equipped with a third image sensor paired with it. The first image sensor can be a monochrome image sensor, such as a MONO (Monochrome) chip. The monochrome image sensor can be used to sense the brightness and darkness of the image. Furthermore, the second and third image sensors can both be color image sensors, such as RGB (Red-Green-Blue) chips or RGBW (Red-Green-Blue-White) chips. The color image sensors can be used to reproduce hue and color intensity.
[0088] Furthermore, images captured by the telephoto lens group A, wide-angle lens group B, and ultra-wide-angle lens group C can be combined into a composite image, thus simultaneously possessing the characteristics of large depth of field, high definition, and ultra-wide-angle. In addition, by combining the aforementioned image sensor, high-contrast and high-color-fidelity clear images can also be obtained.
[0089] The telephoto lens group according to the embodiments of this application can be a five-element lens group. From the object side to the imaging side, the telephoto lens group sequentially includes: a first telephoto lens with optical power; a second telephoto lens with negative optical power; a third telephoto lens with optical power; a fourth telephoto lens with positive optical power; and a fifth telephoto lens with optical power. The telephoto lens group obtained according to the above configuration can effectively reduce spherical aberration, astigmatism, and coma, achieving excellent image quality.
[0090] Please refer to the following Figure 3 and Figure 4 As described in detail, the telephoto lens group according to the embodiments of this application can be a periscope lens group. For this periscope lens group, the optical path does not extend in a single direction. For example, the optical axis of the telephoto lens group can change direction by 90° after passing through the first lens of the telephoto group. By setting such a periscope lens group, the thickness of the lens group in the lens stacking direction can be increased without increasing the thickness of the lens group in the light incident direction. Therefore, the periscope lens group can effectively balance miniaturization and long focal length, avoiding the problem of conventional telephoto lens groups having a long size. According to the embodiments of this application, the effective focal length fA of the telephoto lens group can satisfy: 18mm. <fA<20mm。
[0091] According to the embodiments of this application, a gap exists between any two lenses in each of the telephoto lens group, wide-angle lens group, and ultra-wide-angle lens group. This gap configuration can both mitigate the deflection of light between lenses and prevent damage caused by collisions between adjacent lenses during assembly.
[0092] The wide-angle lens group according to the embodiments of this application can be a six-element lens group. From the object side to the imaging side, the wide-angle lens group may sequentially include: a first wide-angle lens with positive optical power; a second wide-angle lens with optical power; a third wide-angle lens with optical power; a fourth wide-angle lens with positive optical power; a fifth wide-angle lens with optical power; and a sixth wide-angle lens with negative optical power. The wide-angle lens group obtained according to the above configuration can effectively reduce spherical aberration, astigmatism, and coma, achieving excellent image quality.
[0093] According to an embodiment of this application, the effective focal length f of the wide-angle lens group is... B With the entrance pupil diameter EPD of the wide-angle lens group B It can satisfy: f B / EPD B <2.0. Therefore, the wide-angle lens group can have a large aperture to ensure that sufficient imaging light enters the optical system even in low-light shooting environments, resulting in adequate brightness of the image plane. Thus, it can achieve excellent image quality even in low-light conditions.
[0094] According to an embodiment of this application, the distance TTL between the object-side surface of the first lens of the wide-angle group and the imaging surface of the wide-angle lens group is... B The effective pixel area half-diagonal length ImgH on the imaging plane of the wide-angle lens group B Satisfy: TTL B / ImgH B <1.5. With the above configuration, the optical lens group can have a sufficiently large imaging surface to present more detail information of the subject while maintaining a relatively short length for the wide-angle lens group.
[0095] According to an embodiment of this application, the effective focal length f1 of the first lens in the wide-angle group is... B The effective focal length of the sixth lens in the wide-angle group is f6. B And the effective focal length of the fourth lens in the wide-angle group is f4. B Satisfy: 1.4 < (f1) B +f6 B ) / f4 B <3.4. The above parameter configuration of the wide-angle lens group can effectively balance the spherical aberration, chromatic aberration, and astigmatism generated by these three lenses, thereby improving image quality.
[0096] According to an embodiment of this application, the radius of curvature R1 of the object-side surface of the first lens of the wide-angle group is... B The radius of curvature R2 of the image-side surface of the first lens in the wide-angle group. B The radius of curvature R3 of the object-side surface of the second lens in the wide-angle group. B and the radius of curvature R4 of the image-side surface of the second lens in the wide-angle group. B Satisfy: 0.8 < (R1) B +R2 B ) / (R3 B +R4 B ) < 1.4, for example, 0.94 < (R1) B +R2 B ) / (R3 B +R4 B <1.30. The above parameter configuration of the wide-angle lens group can effectively reduce the deflection of light in the first lens and the second lens of the wide-angle group, thereby avoiding strong total internal reflection ghost images caused by excessive deflection angle.
[0097] According to an embodiment of this application, the radius of curvature R11 of the object-side surface of the sixth lens in the wide-angle group is... B The radius of curvature R12 of the image-side surface of the sixth lens in the wide-angle group. B The radius of curvature R5 of the object-side surface of the third lens in the wide-angle group. B And the radius of curvature R6 of the image side surface of the third lens in the wide-angle group. B Satisfy: 0.5 < (R11) B +R12B ) / (R5 B +R6 B <0.8. The above parameter configuration of the wide-angle lens group can reduce the chief ray angle of light entering the imaging plane, thereby achieving matching with the chip's CRA (Chief Ray Angle), while reducing the deflection angle of light in the third and sixth lenses of the wide-angle group, thus reducing the sensitivity of these two lenses.
[0098] According to the embodiments of this application, the image-side surface of the fourth lens in the wide-angle group is convex, and the image-side surface of the fifth lens in the wide-angle group is concave. By rationally allocating the surface shapes of the image-side surfaces of the fourth and fifth lenses in the wide-angle lens group, coma and astigmatism generated by these two lenses can be effectively balanced, achieving high-quality imaging.
[0099] According to the embodiments of this application, the second lens of the wide-angle lens group has positive optical power, the object-side surface of the second lens of the wide-angle lens group is convex, and the image-side surface of the second lens of the wide-angle lens group is concave. By rationally configuring the optical power and surface shape of the second lens of the wide-angle lens group, the refraction angle of light in the lens can be reduced, the sensitivity of the lens can be decreased, thereby relaxing tolerance conditions and enhancing the manufacturability of the lens.
[0100] According to an embodiment of this application, the ultra-wide-angle lens group is a six-element lens group, and the ultra-wide-angle lens group includes, from the object side to the imaging side, the following elements in sequence: a first ultra-wide-angle lens with negative optical power; a second ultra-wide-angle lens with optical power; a third ultra-wide-angle lens with positive optical power; a fourth ultra-wide-angle lens with optical power; a fifth ultra-wide-angle lens with positive optical power; and a sixth ultra-wide-angle lens with optical power. The ultra-wide-angle lens group obtained according to the above configuration can effectively reduce spherical aberration, astigmatism, and coma of the lens group, achieving excellent imaging quality.
[0101] According to the embodiment of this application, the effective focal length f3 of the third lens in the ultra-wide-angle group is... C The effective focal length of the fifth lens in the ultra-wide-angle group is f5. C And the effective focal length f1 of the first lens in the ultra-wide-angle group. C Satisfy: -1.2 < (f3) C +f5 C ) / f1 C <-0.4, for example, -1.13<(f3) C +f5 C ) / f1 C <-0.5. Properly configuring the effective focal lengths of the third lens, fifth lens, and first lens of the ultra-wide-angle group can reduce the deflection angle of light within these three lenses and balance the astigmatism and field curvature produced by them.
[0102] According to the embodiment of this application, the effective focal length of the fourth lens in the ultra-wide-angle group is f4. C The radius of curvature R7 of the object-side surface of the fourth lens in the ultra-wide-angle group. C And the radius of curvature R8 of the image side surface of the fourth lens in the ultra-wide-angle group. C Satisfies: 0.6 <f4 C / (R7 C +R8 C () < 1.4, for example, 0.66 <f4 C / (R7 C +R8 C <1.31. By properly configuring the above parameters, the incident angle and refraction angle of light entering the fourth lens of the ultra-wide-angle group can be reduced, thereby reducing the sensitivity of the lens to avoid overly stringent tolerance requirements.
[0103] According to an embodiment of this application, the radius of curvature R11 of the object-side surface of the sixth lens of the ultra-wide-angle group. C The radius of curvature R12 of the image-side surface of the sixth lens in the ultra-wide-angle group. C The radius of curvature R9 of the object-side surface of the fifth lens in the ultra-wide-angle group. C And the radius of curvature R10 of the image side surface of the fifth lens in the ultra-wide-angle group. C Satisfy: -1.0 < (R11) C +R12 C ) / (R9 C +R10 C <-0.3. By properly configuring the above parameters, it is possible to ensure that the principal ray angle of the ultra-wide-angle lens group matches the chip, and also to avoid strong total internal reflection ghosting caused by excessive light deflection angle.
[0104] According to the embodiments of this application, at least four lenses in either the wide-angle lens group or the ultra-wide-angle lens group are made of plastic material. By rationally configuring the lens materials in the wide-angle lens group and the ultra-wide-angle lens group, material costs can be saved, the manufacturing process simplified, and the weight of the lens reduced, thus meeting the trend towards thinner and lighter devices.
[0105] This application also provides an imaging device comprising: a telephoto lens group, the telephoto lens group including a first telephoto lens closest to the object side, the first telephoto lens including an object side side, an image side side, and a reflecting surface connecting the object side side and the image side side, the reflecting surface forming a 45° angle with a first tangent plane passing through the center of the object side side and tangent to the object side side, and a second tangent plane passing through the center of the image side side and tangent to the image side side; a wide-angle lens group; and an ultra-wide-angle lens group, the field of view of the ultra-wide-angle lens group being greater than the field of view of the telephoto lens group and the field of view of the wide-angle lens group, wherein the effective focal length f of the telephoto lens group is... A With the effective focal length f of the wide-angle lens group B Meets the requirement of 18mm <fA <20mm; and f A / f B >7.
[0106] The specific lens group configurations are described in detail below with reference to Embodiments 1-7. Embodiment 1 described below is a telephoto lens group applicable to the imaging device of this application; Embodiments 2-4 are wide-angle lens groups applicable to the imaging device of this application; and Embodiments 5-7 are ultra-wide-angle lens groups applicable to the imaging device of this application. The selection of the following embodiments has taken into account the compatibility and matching between these lens groups. In other words, the following embodiments can be combined according to their lens group types to form nine different imaging devices. The configurations of these imaging devices are as follows:
[0107] ① Example 1 + Example 2 + Example 5;
[0108] ② Example 1 + Example 2 + Example 6;
[0109] ③ Example 1 + Example 2 + Example 7;
[0110] ④ Example 1 + Example 3 + Example 5;
[0111] ⑤ Example 1 + Example 3 + Example 6;
[0112] ⑥ Example 1 + Example 3 + Example 7;
[0113] ⑦ Example 1 + Example 4 + Example 5;
[0114] ⑧ Example 1 + Example 4 + Example 6; and
[0115] ⑨ Example 1 + Example 4 + Example 7.
[0116] Example 1
[0117] The following is for reference Figures 3 to 5B The telephoto lens group according to Embodiment 1 of this application is described. Figure 3 , Figure 4 The diagram shows the structure and optical path of the telephoto lens group according to Embodiment 1 of this application.
[0118] like Figure 3 As shown, the telephoto lens group includes, in sequence from the object side to the image side along the optical axis: first lens E1, second lens E2, third lens E3, fourth lens E4, fifth lens E5, filter E6, and imaging plane S14.
[0119] The first lens E1 has positive optical power, with its object-side surface S1 being convex and its image-side surface S3 being convex. The second lens E2 has negative optical power, with its object-side surface S4 being concave and its image-side surface S5 being convex. The third lens E3 has negative optical power, with its object-side surface S6 being convex and its image-side surface S7 being concave. The fourth lens E4 has positive optical power, with its object-side surface S8 being convex and its image-side surface S9 being concave. The fifth lens E5 has negative optical power, with its object-side surface S10 being concave and its image-side surface S11 being concave. The filter E6 has an object-side surface S12 and an image-side surface S13. Light from the object passes sequentially through each surface S1 to S13 and is finally imaged on the imaging surface S14.
[0120] See Figure 4 As can be seen, for the telephoto lens group, the optical axis changes direction by 90° after passing through the first lens of the telephoto lens group. In other words, the optical axis of the telephoto lens group does not extend in a single direction, but includes the X-axis and Y-axis that are perpendicular to each other. Light rays incident along the Y-axis are reflected at the reflecting surface S2 of the first lens, change direction by 90°, and then exit along the X-axis.
[0121] Table 1 shows the basic parameters of the telephoto lens group in Example 1, where the units for radius of curvature, thickness, and focal length are millimeters (mm).
[0122]
[0123] Table 1
[0124] In Embodiment 1, the object-side surface and image-side surface of any one of the first lens E1 to the fifth lens E5 can be aspherical, and the surface shape x of each aspherical lens can be defined using, but is not limited to, the following aspherical formula:
[0125]
[0126] Where x is the distance vector from the vertex of the aspherical surface at a height of h along the optical axis; c is the paraxial curvature of the aspherical surface, c = 1 / R (i.e., the paraxial curvature c is the reciprocal of the radius of curvature R in Table 1 above); k is the conic coefficient; Ai is the i-th order correction coefficient of the aspherical surface. Table 2 below gives the higher-order coefficients A4, A6, A8, A10, A12, A14, A16, A18 and A20 that can be used for each aspherical mirror S1-S11 in Example 1.
[0127] Face number A4 A6 A8 A10 A12 A14 A16 A18 A20 S1 -3.2514E-02 -9.6251E-04 -2.0891E-05 2.1213E-06 -5.3678E-06 3.4468E-06 -1.7117E-06 4.3323E-07 -2.4937E-08 S3 4.0399E-02 -7.7207E-03 -1.1278E-02 2.3803E-04 -2.6195E-03 5.5871E-04 -5.6750E-04 -6.2624E-05 -6.3665E-05 S4 4.0399E-02 -7.7207E-03 -1.1278E-02 2.3803E-04 -2.6195E-03 5.5871E-04 -5.6750E-04 -6.2624E-05 -6.3665E-05 S5 4.2913E-02 -2.1269E-02 4.6296E-03 -9.5456E-04 9.6431E-05 -8.0056E-06 -3.8128E-06 -2.0348E-06 8.2522E-07 S6 2.0699E-02 -1.7527E-02 3.5510E-03 -3.4917E-03 1.3874E-03 -3.8384E-04 9.5946E-06 -2.5706E-05 1.0904E-05 S7 2.2585E-02 8.0852E-03 2.6033E-03 -1.1573E-05 -1.2007E-04 1.8350E-04 -8.6329E-05 -5.4844E-05 1.8824E-05 S8 1.1673E-01 -1.5172E-02 -3.6394E-03 2.5422E-03 -8.8228E-04 2.7407E-04 -2.7071E-05 -3.9639E-05 1.1074E-05 S9 -2.5544E-02 -1.5396E-02 -3.6487E-03 5.8229E-04 -1.2201E-04 2.2679E-06 2.5103E-05 -1.0528E-05 1.4133E-06 S10 -1.1135E-01 -3.0756E-02 -8.3573E-03 -6.1774E-03 -1.7217E-03 -9.8647E-04 -4.6895E-04 -3.4448E-04 -1.4410E-04 S11 -6.0768E-02 -4.0058E-03 1.2798E-03 -3.9595E-04 1.0520E-04 -2.9357E-05 -1.9270E-05 1.1575E-05 -1.8626E-06
[0128] Table 2
[0129] Table 3 below shows the effective focal length f1 of the first lens in the telephoto lens group of Embodiment 1. A The effective focal length f2 of the second lensA The effective focal length of the third lens is f3. A The effective focal length of the fourth lens is f4. A And the effective focal length of the fifth lens, f5 A In addition, Table 3 also shows the total effective focal length f of the telephoto lens group. A .
[0130] Example / Parameter <![CDATA[f1 A (mm)]]> <![CDATA[f2 A (mm)]]> <![CDATA[f3 A (mm)]]> <![CDATA[f4 A (mm)]]> <![CDATA[f5 A (mm)]]> <![CDATA[f A (mm)]]> Example 1 10.45 -8.63 -48.99 9.26 -16.59 19.44
[0131] Table 3
[0132] Figure 5A The astigmatism curves of the telephoto lens group of Embodiment 1 are shown, which represent the meridional image plane curvature and the sagittal image plane curvature. Figure 5B The distortion curves of the telephoto lens group in Example 1 are shown, representing the distortion magnitude values corresponding to different image heights. According to... Figures 5A to 5B It can be seen that the telephoto lens group given in Example 1 can achieve good imaging quality.
[0133] Example 2
[0134] The following is for reference Figures 6 to 7D Describes a wide-angle lens group according to Embodiment 2 of this application. Figure 6 A schematic diagram of the structure of a wide-angle lens group according to Embodiment 2 of this application is shown.
[0135] like Figure 6 As shown, the wide-angle lens group includes, in sequence from the object side to the image side along the optical axis: first lens E1, second lens E2, third lens E3, fourth lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.
[0136] The first lens E1 has positive optical power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has positive optical power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive optical power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive optical power, with its object-side surface S7 being concave and its image-side surface S8 being convex. The fifth lens E5 has negative optical power, with its object-side surface S9 being concave and its image-side surface S10 being concave. The sixth lens E6 has negative optical power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The filter E7 has an object-side surface S13 and an image-side surface S14. Light from the object passes sequentially through surfaces S1 to S14 and is finally imaged onto the imaging surface S15.
[0137] Table 4 shows the basic parameters of the wide-angle lens group in Example 2, where the units for radius of curvature, thickness, and focal length are millimeters (mm).
[0138]
[0139]
[0140] Table 4
[0141] In Example 2, the object-side surface and image-side surface of any one of the lenses, from the first lens E1 to the sixth lens E6, can be aspherical. Table 5 below shows the higher-order coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each of the aspherical mirrors S1-S12 in Example 2.
[0142] Face number A4 A6 A8 A10 A12 A14 A16 S1 -6.1670E-02 2.0030E-01 -2.2392E+00 1.0636E+01 -2.9929E+01 4.3923E+01 -2.6612E+01 S2 -1.4492E-01 -2.4920E-01 -2.9373E-01 2.0321E+00 -6.1626E+00 8.4933E+00 -4.2314E+00 S3 -1.4817E-01 3.6693E-01 -4.6511E+00 1.5453E+01 -3.2843E+01 3.7892E+01 -1.7147E+01 S4 -8.0000E-03 2.2642E-01 -1.9160E+00 3.8602E+00 -4.4850E+00 2.6230E+00 -5.6052E-01 S5 -1.7268E-01 5.8632E-02 -8.8772E-01 2.8715E+00 -3.4554E+00 1.4752E+00 -4.3060E-02 S6 9.8830E-02 -6.3736E-01 1.1105E+00 -1.2853E+00 1.3274E+00 -9.4701E-01 2.8989E-01 S7 -3.5240E-02 2.1647E-01 -3.4504E-01 7.0427E-01 -8.7377E-01 5.0616E-01 -1.1288E-01 S8 -3.2009E-01 3.7820E-01 -3.1847E-01 5.0061E-02 5.1663E-01 -5.3103E-01 1.5383E-01 S9 9.1260E-03 -2.2470E-01 6.3964E-01 -8.8887E-01 6.4371E-01 -2.4924E-01 4.0766E-02 S10 -6.4120E-02 1.6950E-01 -1.7255E-01 8.1509E-02 -2.1000E-02 3.0600E-03 -2.1000E-04 S11 -1.5961E-01 3.7342E-02 -1.5380E-02 1.3010E-02 -5.1100E-03 8.9400E-04 -5.9000E-05 S12 -1.1933E-01 5.3973E-02 -2.2140E-02 5.1890E-03 -3.2000E-04 -9.1000E-05 1.2600E-05
[0143] Table 5
[0144] Figure 7A The on-axis chromatic aberration curve of the wide-angle lens group of Embodiment 2 is shown, which indicates the deviation of the focal point of light of different wavelengths after passing through the lens. Figure 7B The astigmatism curves of the wide-angle lens group of Embodiment 2 are shown, which represent the meridional image plane curvature and the sagittal image plane curvature. Figure 7C The distortion curves of the wide-angle lens group in Example 2 are shown, representing the distortion magnitude values corresponding to different image heights. Figure 7D The magnification chromatic aberration curve of the wide-angle lens group in Embodiment 2 is shown, which represents the deviation of different image heights on the imaging plane after light passes through the lens. According to Figures 7A to 7D It can be seen that the wide-angle lens group given in Example 2 can achieve good imaging quality.
[0145] Example 3
[0146] The following is for reference Figures 8 to 9D Describes a wide-angle lens group according to Embodiment 3 of this application. Figure 8 A schematic diagram of the structure of a wide-angle lens group according to Embodiment 3 of this application is shown.
[0147] like Figure 8 As shown, the wide-angle lens group includes, in sequence from the object side to the image side along the optical axis: first lens E1, second lens E2, third lens E3, fourth lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.
[0148] The first lens E1 has positive optical power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative optical power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has negative optical power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive optical power, with its object-side surface S7 being convex and its image-side surface S8 being convex. The fifth lens E5 has negative optical power, with its object-side surface S9 being convex and its image-side surface S10 being concave. The sixth lens E6 has negative optical power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The filter E7 has an object-side surface S13 and an image-side surface S14. Light from the object passes sequentially through surfaces S1 to S14 and is finally imaged onto the imaging surface S15.
[0149] Table 6 shows the basic parameters of the wide-angle lens group in Example 3, where the units for radius of curvature, thickness, and focal length are millimeters (mm).
[0150]
[0151] Table 6
[0152] In Example 3, the object-side surface and image-side surface of any one of the lenses, from the first lens E1 to the sixth lens E6, can be aspherical. Table 7 below shows the higher-order coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each of the aspherical mirrors S1-S12 in Example 3.
[0153] Face number A4 A6 A8 A10 A12 A14 A16 S1 -9.2640E-02 6.0953E-01 -9.0247E+00 6.4720E+01 -2.7211E+02 5.9655E+02 -5.3992E+02 S2 -2.0133E-01 -5.1489E-01 -1.5338E+00 1.1956E+01 -5.6030E+01 1.1535E+02 -8.5849E+01 S3 -4.7240E-01 1.0078E+00 -1.8271E+01 9.2495E+01 -2.9860E+02 5.1464E+02 -3.4788E+02 S4 -1.5945E-01 6.1954E-01 -7.5936E+00 2.3724E+01 -4.0866E+01 3.4550E+01 -1.1372E+01 S5 -3.3598E-01 2.0054E-01 -3.6577E+00 1.7283E+01 -3.1646E+01 1.9992E+01 -4.5390E-01 S6 7.0886E-02 -1.7459E+00 4.4904E+00 -7.8294E+00 1.2096E+01 -1.2828E+01 5.8789E+00 S7 9.6202E-02 2.1715E-02 -4.2735E-01 2.7054E+00 -5.9250E+00 5.6641E+00 -2.0963E+00 S8 -7.3244E-01 2.1807E+00 -4.2562E+00 6.6299E+00 -5.7863E+00 2.3653E+00 -3.6958E-01 S9 -7.0960E-01 2.2956E+00 -3.1694E+00 3.8020E-01 3.2742E+00 -3.4206E+00 1.1007E+00 S10 -9.2820E-02 7.1783E-01 -1.6720E+00 1.7404E+00 -9.7908E-01 2.9465E-01 -3.7110E-02 S11 -8.4430E-02 -9.7718E-01 1.6161E+00 -1.1908E+00 4.7297E-01 -9.8570E-02 8.4560E-03 S12 -3.6738E-01 3.1473E-01 -2.2294E-01 1.2549E-01 -4.8610E-02 1.0762E-02 -1.0000E-03
[0154] Table 7
[0155] Figure 9A The on-axis chromatic aberration curve of the wide-angle lens group of Embodiment 3 is shown, which indicates the deviation of the focal point of light of different wavelengths after passing through the lens. Figure 9B The astigmatism curves of the wide-angle lens group of Embodiment 3 are shown, which represent the meridional image plane curvature and the sagittal image plane curvature. Figure 9C The distortion curves of the wide-angle lens group in Example 3 are shown, representing the distortion magnitude values corresponding to different image heights. Figure 9D The magnification chromatic aberration curve of the wide-angle lens group in Embodiment 3 is shown, which represents the deviation of different image heights on the imaging plane after light passes through the lens. According to Figures 9A to 9D It can be seen that the wide-angle lens group given in Example 3 can achieve good imaging quality.
[0156] Example 4
[0157] The following is for reference Figures 10 to 11D Describes a wide-angle lens group according to Embodiment 4 of this application. Figure 10A schematic diagram of the structure of a wide-angle lens group according to Embodiment 4 of this application is shown.
[0158] like Figure 10 As shown, the wide-angle lens group includes, in sequence from the object side to the image side along the optical axis: first lens E1, second lens E2, third lens E3, fourth lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.
[0159] The first lens E1 has positive optical power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has negative optical power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive optical power, with its object-side surface S5 being convex and its image-side surface S6 being concave. The fourth lens E4 has positive optical power, with its object-side surface S7 being concave and its image-side surface S8 being convex. The fifth lens E5 has positive optical power, with its object-side surface S9 being convex and its image-side surface S10 being concave. The sixth lens E6 has negative optical power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The filter E7 has an object-side surface S13 and an image-side surface S14. Light from the object passes sequentially through surfaces S1 to S14 and is finally imaged onto the imaging surface S15.
[0160] Table 8 shows the basic parameters of the wide-angle lens group of Example 4, where the units for radius of curvature, thickness and focal length are millimeters (mm).
[0161]
[0162] Table 8
[0163] In Example 4, the object-side surface and image-side surface of any one of the lenses, from the first lens E1 to the sixth lens E6, can be aspherical. Table 9 below shows the higher-order coefficients A4, A6, A8, A10, A12, A14, and A16 that can be used for each of the aspherical mirrors S1-S12 in Example 4.
[0164]
[0165]
[0166] Table 9
[0167] Figure 11A The on-axis chromatic aberration curve of the wide-angle lens group of Embodiment 4 is shown, which indicates the deviation of the focal point of light of different wavelengths after passing through the lens. Figure 11B The astigmatism curves of the wide-angle lens group of Embodiment 4 are shown, which represent the meridional image plane curvature and the sagittal image plane curvature. Figure 11C The distortion curves of the wide-angle lens group in Example 4 are shown, representing the distortion magnitude values corresponding to different image heights. Figure 11DThe magnification chromatic aberration curves of the wide-angle lens group in Example 4 are shown, representing the deviation of different image heights on the imaging plane after light passes through the lens. According to... Figures 11A to 11D It can be seen that the wide-angle lens group given in Example 4 can achieve good imaging quality.
[0168] Table 10 below shows the effective focal length f1 of each lens in the wide-angle lens group described in embodiments 2-4 above. B -f6 B The total effective focal length f of the wide-angle lens group B Total length of optical lens group (TTL) B The half-diagonal length of the effective pixel area on the imaging plane is ImgH B and the maximum semi-FOV of the wide-angle lens group B .
[0169] Parameters / Examples 2 3 4 <![CDATA[f1 B (mm)]]> 4.82 5.22 4.17 <![CDATA[f2 B (mm)]]> 110.02 -34.57 -6.48 <![CDATA[f3 B (mm)]]> 123.10 -13.58 17.62 <![CDATA[f4 B (mm)]]> 1.43 1.12 1.55 <![CDATA[f5 B (mm)]]> -9.16 -40.47 113.00 <![CDATA[f6 B (mm)]]> -1.94 -1.49 -1.99 <![CDATA[f B (mm)]]> 2.56 2.07 2.52 <![CDATA[TTL B (mm)]]> 3.87 3.20 3.93 <![CDATA[ImgH B (mm)]]> 2.64 2.16 2.64 <![CDATA[Semi-FOV B (°)]]> 46.9 46.5 46.4
[0170] Table 10
[0171] Example 5
[0172] The following is for reference Figures 12 to 13D The ultra-wide-angle lens group according to Embodiment 5 of this application is described. Figure 12 A schematic diagram of the structure of an ultra-wide-angle lens group according to Embodiment 5 of this application is shown.
[0173] like Figure 12 As shown, the ultra-wide-angle lens group includes, in sequence from the object side to the image side along the optical axis: first lens E1, second lens E2, third lens E3, fourth lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.
[0174] The first lens E1 has negative optical power, with its object-side surface S1 being concave and its image-side surface S2 being convex. The second lens E2 has positive optical power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive optical power, with its object-side surface S5 being concave and its image-side surface S6 being convex. The fourth lens E4 has negative optical power, with its object-side surface S7 being concave and its image-side surface S8 being concave. The fifth lens E5 has positive optical power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative optical power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The filter E7 has an object-side surface S13 and an image-side surface S14. Light from the object passes sequentially through surfaces S1 to S14 and is finally imaged onto the imaging surface S15.
[0175] Table 11 shows the basic parameters of the ultra-wide-angle lens group of Example 5, where the units for radius of curvature, thickness and focal length are millimeters (mm).
[0176]
[0177] Table 11
[0178] In Example 5, the object-side surface and image-side surface of any one of the lenses, from the first lens E1 to the sixth lens E6, can be aspherical. Table 12 below gives the higher-order coefficients A4, A6, A8, A10, A12, A14, A16, and A18 that can be used for each of the aspherical mirrors S1-S12 in Example 5.
[0179] Face number A4 A6 A8 A10 A12 A14 A16 A18 S1 9.3574E-02 -9.5640E-02 6.6232E-02 -3.1200E-02 9.9280E-03 -1.9500E-03 1.9800E-04 -6.7000E-06 S2 5.3221E-01 -1.3416E+00 2.8282E+00 -4.6049E+00 5.5021E+00 -4.3680E+00 2.0384E+00 -4.1673E-01 S3 1.5550E-01 -5.2430E-01 6.4801E-01 4.8206E-02 -1.3671E+00 1.8590E+00 -8.7249E-01 0.0000E+00 S4 1.5609E-02 5.3667E-02 -6.6119E-01 2.9623E+00 -7.2576E+00 8.5972E+00 -3.9875E+00 0.0000E+00 S5 -9.8180E-02 -1.6371E-01 -1.3136E+00 1.6190E+01 -8.7857E+01 2.1433E+02 -1.9983E+02 0.0000E+00 S6 -2.3694E-01 5.7201E-01 -1.2756E+00 -1.1923E+00 9.5517E+00 -1.5950E+01 8.8144E+00 0.0000E+00 S7 -4.0224E-01 1.0795E+00 -3.4686E+00 7.4139E+00 -1.0194E+01 8.1963E+00 -2.9395E+00 0.0000E+00 S8 -2.3951E-01 3.5588E-01 -6.0873E-01 7.7297E-01 -6.6636E-01 3.4668E-01 -7.7180E-02 0.0000E+00 S9 7.6994E-02 -7.6864E-01 2.2554E+00 -2.7914E+00 1.5834E+00 -1.9055E-01 -1.7602E-01 5.4400E-02 S10 9.5840E-03 -4.8315E-01 1.1714E+00 -1.7865E+00 1.9382E+00 -1.2371E+00 4.0490E-01 -5.2530E-02 S11 -2.9938E-01 1.9634E-01 -9.1900E-02 2.9196E-02 -6.0500E-03 7.9200E-04 -6.0000E-05 2.0100E-06 S12 -1.1369E-01 4.7817E-02 -1.1610E-02 2.9700E-04 6.3400E-04 -1.8000E-04 2.0500E-05 -8.9000E-07
[0180] Table 12
[0181] Figure 13A The on-axis chromatic aberration curve of the ultra-wide-angle lens group of Embodiment 5 is shown, which indicates the deviation of the focal point of light of different wavelengths after passing through the lens. Figure 13B The astigmatism curves of the ultra-wide-angle lens group of Embodiment 5 are shown, which represent the meridional image plane curvature and the sagittal image plane curvature. Figure 13C The distortion curves of the ultra-wide-angle lens group of Example 5 are shown, which represent the distortion magnitude values corresponding to different image heights. Figure 13D The magnification chromatic aberration curves of the ultra-wide-angle lens group of Embodiment 5 are shown, representing the deviation of different image heights on the imaging plane after light passes through the lens. According to... Figures 13A to 13D It can be seen that the ultra-wide-angle lens group given in Example 5 can achieve good imaging quality.
[0182] Example 6
[0183] The following is for reference Figures 14 to 15D The ultra-wide-angle lens group according to Embodiment 6 of this application is described. Figure 14 A schematic diagram of the structure of an ultra-wide-angle lens group according to Embodiment 6 of this application is shown.
[0184] like Figure 14 As shown, the ultra-wide-angle lens group includes, in sequence from the object side to the image side along the optical axis: first lens E1, second lens E2, third lens E3, fourth lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.
[0185] The first lens E1 has negative optical power, with its object-side surface S1 being convex and its image-side surface S2 being concave. The second lens E2 has positive optical power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive optical power, with its object-side surface S5 being concave and its image-side surface S6 being convex. The fourth lens E4 has negative optical power, with its object-side surface S7 being concave and its image-side surface S8 being concave. The fifth lens E5 has positive optical power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative optical power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The filter E7 has an object-side surface S13 and an image-side surface S14. Light from the object passes sequentially through surfaces S1 to S14 and is finally imaged onto the imaging surface S15.
[0186] Table 13 shows the basic parameters of the ultra-wide-angle lens group of Example 6, where the units for radius of curvature, thickness and focal length are millimeters (mm).
[0187]
[0188] Table 13
[0189] In Example 6, the object-side surface and image-side surface of any one of the lenses, from the first lens E1 to the sixth lens E6, can be aspherical. Table 14 below shows the higher-order coefficients A4, A6, A8, A10, A12, A14, A16, A18, and A20 that can be used for each of the aspherical mirrors S1-S12 in Example 6.
[0190]
[0191]
[0192] Table 14
[0193] Figure 15A The on-axis chromatic aberration curve of the ultra-wide-angle lens group of Embodiment 6 is shown, which indicates the deviation of the focal point of light of different wavelengths after passing through the lens. Figure 15B The astigmatism curves of the ultra-wide-angle lens group of Embodiment 6 are shown, representing the meridional image plane curvature and the sagittal image plane curvature. Figure 15C The distortion curves of the ultra-wide-angle lens group of Example 6 are shown, which represent the distortion magnitude values corresponding to different image heights. Figure 15D The magnification chromatic aberration curves of the ultra-wide-angle lens group of Embodiment 6 are shown, representing the deviation of different image heights on the imaging plane after light passes through the lens. According to... Figures 15A to 15D It can be seen that the ultra-wide-angle lens group given in Example 6 can achieve good imaging quality.
[0194] Example 7
[0195] The following is for reference Figures 16 to 17D The ultra-wide-angle lens group according to Embodiment 7 of this application is described. Figure 16 A schematic diagram of the structure of an ultra-wide-angle lens group according to Embodiment 7 of this application is shown.
[0196] like Figure 16 As shown, the ultra-wide-angle lens group includes, in sequence from the object side to the image side along the optical axis: first lens E1, second lens E2, third lens E3, fourth lens E4, fifth lens E5, sixth lens E6, filter E7, and imaging plane S15.
[0197] The first lens E1 has negative optical power, with its object-side surface S1 being concave and its image-side surface S2 being concave. The second lens E2 has positive optical power, with its object-side surface S3 being convex and its image-side surface S4 being concave. The third lens E3 has positive optical power, with its object-side surface S5 being convex and its image-side surface S6 being convex. The fourth lens E4 has negative optical power, with its object-side surface S7 being concave and its image-side surface S8 being concave. The fifth lens E5 has positive optical power, with its object-side surface S9 being concave and its image-side surface S10 being convex. The sixth lens E6 has negative optical power, with its object-side surface S11 being convex and its image-side surface S12 being concave. The filter E7 has an object-side surface S13 and an image-side surface S14. Light from the object passes sequentially through surfaces S1 to S14 and is finally imaged onto the imaging surface S15.
[0198] Table 15 shows the basic parameters of the ultra-wide-angle lens group of Example 7, where the units for radius of curvature, thickness and focal length are millimeters (mm).
[0199]
[0200]
[0201] Table 15
[0202] In Example 7, the object-side surface and image-side surface of any one of the lenses, from the first lens E1 to the sixth lens E6, can be aspherical. Table 16 below gives the higher-order coefficients A4, A6, A8, A10, A12, A14, A16, A18, and A20 that can be used for each of the aspherical mirrors S1-S12 in Example 7.
[0203] Face number A4 A6 A8 A10 A12 A14 A16 A18 A20 S1 3.3404E-01 -3.8174E-01 4.6540E-01 -4.5296E-01 3.1593E-01 -1.4135E-01 3.5554E-02 -3.6200E-03 0.0000E+00 S2 5.9702E-01 -1.2204E+00 2.5195E+00 -5.0210E+00 6.2320E+00 -4.2472E+00 1.4511E+00 -1.8919E-01 0.0000E+00 S3 7.5051E-02 -6.4314E-01 1.6525E+00 -4.7738E+00 8.6669E+00 -7.8303E+00 2.7566E+00 0.0000E+00 0.0000E+00 S4 5.7375E-02 -5.5905E-01 4.5063E+00 -2.4223E+01 7.6542E+01 -1.2259E+02 7.8080E+01 0.0000E+00 0.0000E+00 S5 -1.6650E-02 -1.2935E-01 1.4694E+00 -1.2662E+01 5.6015E+01 -1.2825E+02 1.1792E+02 0.0000E+00 0.0000E+00 S6 5.3470E-02 -3.9771E-01 1.2328E+00 -3.0097E+00 4.4408E+00 -3.6899E+00 1.1777E+00 0.0000E+00 0.0000E+00 S7 -1.8885E-01 -1.2248E-01 5.4320E-01 -9.7825E-01 1.0718E+00 -6.4746E-01 1.5011E-01 0.0000E+00 0.0000E+00 S8 -1.6189E-01 8.8357E-02 -1.6260E-02 -2.5740E-02 2.8354E-02 -1.1255E-02 1.5400E-03 0.0000E+00 0.0000E+00 S9 1.3916E-01 -2.7135E-01 3.6660E-01 -3.4208E-01 2.1579E-01 -7.9510E-02 1.2542E-02 -8.2000E-05 0.0000E+00 S10 5.0820E-02 -2.2453E-01 2.7730E-01 -2.1390E-01 9.2052E-02 -3.0000E-03 -1.0520E-02 2.2970E-03 0.0000E+00 S11 -1.4531E-01 -2.7120E-02 3.0822E-02 -4.4800E-03 -3.6053E-03 1.8550E-03 -3.3000E-04 2.1200E-05 0.0000E+00 S12 -1.4443E-01 4.7702E-02 -3.1200E-03 -5.2500E-03 2.7187E-03 -6.9000E-04 1.0100E-04 -8.2000E-06 2.8282E-07
[0204] Table 16
[0205] Figure 17A The on-axis chromatic aberration curve of the ultra-wide-angle lens group of Embodiment 7 is shown, which indicates the deviation of the focal point of light of different wavelengths after passing through the lens. Figure 17B The astigmatism curves of the ultra-wide-angle lens group of Embodiment 7 are shown, representing the meridional image plane curvature and the sagittal image plane curvature. Figure 17CThe distortion curves of the ultra-wide-angle lens group of Example 7 are shown, which represent the distortion magnitude values corresponding to different image heights. Figure 17D The magnification chromatic aberration curve of the ultra-wide-angle lens group of Embodiment 7 is shown, which represents the deviation of different image heights on the imaging plane after light passes through the lens. According to Figures 17A to 17D It can be seen that the ultra-wide-angle lens group given in Example 7 can achieve good imaging quality.
[0206] Table 17 below shows the effective focal length f1 of each lens in the wide-angle lens group described in embodiments 5-7 above. C -f6 C The total effective focal length f of the wide-angle lens group C Total length of optical lens group (TTL) C The half-diagonal length of the effective pixel area on the imaging plane is ImgH C and the maximum semi-FOV of the wide-angle lens group C .
[0207] Parameters / Examples 5 6 7 <![CDATA[f1 C (mm)]]> -5.54 -4.68 -8.52 <![CDATA[f2 C (mm)]]> 3.16 5.41 17.80 <![CDATA[f3 C (mm)]]> 2.83 1.62 2.20 <![CDATA[f4 C (mm)]]> -4.09 -2.96 -3.86 <![CDATA[f5 C (mm)]]> 3.42 1.88 2.10 <![CDATA[f6 C (mm)]]> -6.96 -3.17 -3.55 <![CDATA[f C (mm)]]> 2.51 1.94 2.38 <![CDATA[TTL C (mm)]]> 5.38 4.36 5.61 <![CDATA[ImgH C (mm)]]> 3.34 2.73 3.34 <![CDATA[Semi-FOV C (°)]]> 62.2 61.2 59.0
[0208] Table 17 and Table 18 below list the relevant parameters of the lens group and the imaging device constituted therefrom described in various embodiments of this application.
[0209] Conditional / Example 1 2 3 4 5 6 7 <![CDATA[f A / f B ]]> 7.59 9.39 7.71 <![CDATA[Semi-FOV C (°)]]> 62.2 61.2 59.0 <![CDATA[f A (mm)]]> 19.44 <![CDATA[f B / EPD B ]]> 1.99 1.99 1.99 <![CDATA[TTL B / ImgH B ]]> 1.47 1.48 1.49 <![CDATA[(f1 B +f6 B ) / f4 B ]]> 2.01 3.33 1.41 <![CDATA[(R1 B +R2 B ) / (R3 B +R4 B )]]> 0.95 1.30 1.20 <![CDATA[(R11 B +R12 B ) / (R5 B +R6 B )]]> 0.55 0.56 0.72 <![CDATA[(f3 C +f5 C ) / f1 C ]]> -1.13 -0.75 -0.50 <![CDATA[f4 C / (R7 C +R8 C )]]> 0.89 1.30 0.66 <![CDATA[(R11 C +R12 C ) / (R9 C +R10 C )]]> -0.95 -0.68 -0.37
[0210] Table 18
[0211] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed. Those skilled in the art should understand that the scope of the invention involved in this application is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the inventive concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.
Claims
1. A camera device, characterized in that, The camera device includes: A telephoto lens group, which is a five-element lens group, includes, from the object side to the image side, the following elements in sequence: a first telephoto lens with positive optical power; a second telephoto lens with negative optical power, its object side being concave and its image side being convex; a third telephoto lens with negative optical power, its object side being convex and its image side being concave; a fourth telephoto lens with positive optical power, its object side being convex and its image side being concave; and a fifth telephoto lens with negative optical power, its object side and image side being both concave; wherein, the first telephoto lens includes an object side, an image side, and a reflecting surface connecting the object side and the image side, both of the object side and the image side of the first telephoto lens being convex, and the reflecting surface forming a 45° angle with both a first tangent plane passing through the center of the object side and tangent to the object side and a second tangent plane passing through the center of the image side and tangent to the image side; A wide-angle lens group, which is a six-element lens group, sequentially includes, from the object side to the image side: a first wide-angle lens with positive optical power, its object side being convex and its image side being concave; a second wide-angle lens with optical power, its object side being convex and its image side being concave; a third wide-angle lens with optical power, its object side being convex and its image side being concave; a fourth wide-angle lens with positive optical power, its image side being convex; a fifth wide-angle lens with optical power, its image side being concave; and a sixth wide-angle lens with negative optical power, its object side being convex and its image side being concave; wherein the optical powers of the second, third, and fifth wide-angle lenses are respectively: positive, positive, negative; or negative, negative, negative; or negative, positive, positive; and An ultra-wide-angle lens group, wherein the field of view of the ultra-wide-angle lens group is greater than that of the telephoto lens group and the wide-angle lens group, the ultra-wide-angle lens group is a six-element lens group, comprising, from the object side to the image side, the following elements in sequence: a first ultra-wide-angle lens having negative optical power; a second ultra-wide-angle lens having positive optical power, with a convex object side and a concave image side; a third ultra-wide-angle lens having positive optical power, with a convex image side; a fourth ultra-wide-angle lens having negative optical power, with both its object side and image side being concave; a fifth ultra-wide-angle lens having positive optical power, with a concave object side and a convex image side; and a sixth ultra-wide-angle lens having negative optical power, with a convex object side and a concave image side. Wherein, the effective focal length f of the telephoto lens group A With the effective focal length f of the wide-angle lens group B satisfy: 18mm < f A ≤19.44mm; and 7.59≤f A / f B ≤9.39。 2. The imaging device according to claim 1, wherein there is a gap between any two lenses in the first lens of the telephoto group to the fifth lens of the telephoto group.
3. The camera device according to claim 1, characterized in that, The camera device also includes a monochrome photosensitive chip paired with the telephoto lens group.
4. The camera device according to claim 3, characterized in that, The monochrome photosensitive chip is a MONO chip.
5. The camera device according to claim 1, characterized in that, The camera device also includes a color photosensitive chip paired with the wide-angle lens group.
6. The camera device according to claim 1, characterized in that, The effective focal length f of the wide-angle lens group B With the entrance pupil diameter (EPD) of the wide-angle lens group B satisfy: 1.99≤f B / EPD B <2.0。 7. The camera device according to claim 1, characterized in that, The distance TTL between the object surface of the first lens of the wide-angle group and the imaging plane of the wide-angle lens group. B The effective pixel area on the imaging plane of the wide-angle lens group has a half-diagonal length of ImgH. B satisfy: 1.47≤TTL B / ImgH B <1.5。 8. The camera device according to claim 1, characterized in that, The effective focal length f1 of the first lens in the wide-angle group B The effective focal length f6 of the sixth lens in the wide-angle group B And the effective focal length f4 of the fourth lens in the wide-angle group. B satisfy: 1.4<(f1 B +f6 B ) / f4 B ≤3.33。 9. The camera device according to claim 1, characterized in that, The radius of curvature R1 of the object-side surface of the first lens of the wide-angle group B The radius of curvature R2 of the image-side surface of the first lens in the wide-angle group. B The radius of curvature R3 of the object-side surface of the second lens in the wide-angle group B and the radius of curvature R4 of the image-side surface of the second lens in the wide-angle group. B satisfy: 0.94<(R1 B +R2 B ) / (R3 B +R4 B )≤1.3。 10. The camera device according to claim 1, characterized in that, The radius of curvature R11 of the object-side surface of the sixth lens in the wide-angle group. B The radius of curvature R12 of the image-side surface of the sixth lens in the wide-angle group. B The radius of curvature R5 of the object-side surface of the third lens in the wide-angle group. B and the radius of curvature R6 of the image-side surface of the third lens in the wide-angle group. B satisfy: 0.5<(R11 B +R12 B ) / (R5 B +R6 B ≤0.72 11. The camera device according to claim 1, characterized in that, The second lens of the wide-angle group has positive optical power.
12. The camera device according to claim 1, characterized in that, There is a gap between any two lenses in the first lens of the wide-angle group to the sixth lens of the wide-angle group.
13. The camera device according to claim 1, characterized in that, At least four of the lenses in the wide-angle group, from the first lens to the sixth lens, are made of plastic material.
14. The camera device according to claim 1, characterized in that, The camera device also includes a color photosensitive chip paired with the ultra-wide-angle lens group.
15. The camera device according to claim 1, characterized in that, The effective focal length f3 of the third lens in the ultra-wide-angle group C The effective focal length f5 of the fifth lens in the ultra-wide-angle group C and the effective focal length f1 of the first lens of the ultra-wide-angle group C satisfy: -1.13≤(f3 C +f5 C ) / f1 C ≤-0.5。 16. The camera device according to claim 1, characterized in that, The effective focal length of the fourth lens in the ultra-wide-angle group is f4. C The radius of curvature R7 of the object-side surface of the fourth lens in the ultra-wide-angle group. C and the radius of curvature R8 of the image-side surface of the fourth lens of the ultra-wide-angle group. C satisfy: 0.66 ≤ f4 C / (R7 C +R8 C <1.
31.
17. The camera device according to claim 1, characterized in that, The radius of curvature R11 of the object-side surface of the sixth lens in the ultra-wide-angle group. C The radius of curvature R12 of the image-side surface of the sixth lens in the ultra-wide-angle group. C The radius of curvature R9 of the object-side surface of the fifth lens of the ultra-wide-angle group. C and the radius of curvature R10 of the image-side surface of the fifth lens of the ultra-wide-angle group. C satisfy: -0.95≤(R11 C +R12 C ) / (R9 C +R10 C )≤-0.37。 18. The camera device according to claim 1, characterized in that, The maximum half field of view of the ultra-wide-angle lens group is greater than or equal to 59° and less than or equal to 62.2°.
19. The camera device according to claim 1, characterized in that, At least four lenses in the first to sixth lenses of the ultra-wide-angle group are made of plastic material.
20. The camera device according to claim 5 or 14, characterized in that, The color photosensitive chip is an RGB chip or an RGBW chip.
21. The camera device according to claim 1, characterized in that, The telephoto lens group, the wide-angle lens group, and the ultra-wide-angle lens group are arranged horizontally or vertically on one side of the camera device.
22. The camera device according to claim 1, characterized in that, The images captured by the telephoto lens group, the wide-angle lens group, and the ultra-wide-angle lens group are combined into a composite image.
23. An electronic device, characterized in that, The electronic device includes the camera device according to any one of claims 1-22.
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