Mobile phone additional telephoto portrait lens

Abstract

The utility model discloses a mobile phone additional telephoto portrait lens, from object side to imaging surface includes in proper order: first lens subassembly, focusing G6 lens, second lens subassembly, third lens subassembly, the first lens subassembly includes: G1 lens, G2 lens, G3 lens, G4 lens, G5 lens, the second lens subassembly includes: G7 lens, G8 lens, G9 lens, G10 lens, G11 lens, the third lens subassembly includes: G12 lens, G13 lens, G14 lens, G15 lens, the utility model discloses a mobile phone additional telephoto portrait lens has set up focusing G6 lens between first lens subassembly and second lens subassembly, can better to the portrait of shooting far place through focusing G6 lens to focus, obtains more clear image.

Description

Technical Field

[0001] This utility model relates to the field of lens technology, and in particular to a mobile phone attached telephoto portrait lens. Background Technology

[0002] Users often attach an external lens to their phone's main camera to achieve better photo results. However, existing external lenses typically lack focus adjustment, leading to poor clarity when shooting distant portraits. Optimizing the lens's optical path structure to allow for focus adjustment to improve sharpness when using a phone with an external lens for distant portrait photography is a technical problem that needs to be solved. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a mobile phone with an attached telephoto portrait lens. When using a mobile phone with an external lens to take distant portrait photos, the focus can be adjusted as needed to improve the clarity.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A mobile phone attached telephoto portrait lens, comprising, from the object side to the imaging plane, a first lens assembly, a focusing G6 lens, a second lens assembly, and a third lens assembly;

[0006] The first lens assembly includes: lens G1, lens G2, lens G3, lens G4, and lens G5; the second lens assembly includes: lens G7, lens G8, lens G9, lens G10, and lens G11; the third lens assembly includes: lens G12, lens G13, lens G14, and lens G15.

[0007] The optical centers of all the lenses are located on the same straight line. The radius of curvature of the mirror surface facing the object side and the radius of curvature of the mirror surface facing the imaging plane are represented by R1 and R2, respectively.

[0008] G1 lens R1=51.5-53.0mm, R2=∞; G2 lens R1=13-14mm, R2=34-35mm; G3 lens R1=43-45mm, R2=10.5-12mm; G4 lens R1=14.5-16mm, R2=152-158mm; G5 lens R1=∞, R2=20-22mm; Focusing G6 lens R1=51.0-52.5mm, R2=113-114.5mm; G7 lens R1=33.0-34.5mm, R2=86-88mm; G8 lens R1=34-35.5mm, R2=12-13.5mm; G9 lens R1=14.5-16mm, R2=∞; G10 lens R1 =20-22mm, R2=15-17mm; G11 lens R1 =30-32mm, R2=19-21mm; G12 lens R1 =62-64mm, R2=62-64mm; G13 lens R1 =27-29mm, R2=17-19mm; G14 lens R1 =20-22mm, R2=209-213mm; G15 lens R1 =12-14mm, R2=18-20mm;

[0009] The air gap between G1 and G2 lenses is 0-0.6mm; the air gap between G2 and G3 lenses is 0-0.6mm; the air gap between G3 and G4 lenses is 3.5-4.5mm; the air gap between G4 and G5 lenses is 1.5-2.5mm; the air gap between G5 and focusing G6 lenses is 0-11mm; the air gap between focusing G6 and G7 lenses is 0-11mm; the air gap between G7 and G8 lenses is 2.0-3.0mm; the air gap between G8 lenses is... The air gap between the G9 lens and the G10 lens is 5.0-7.0 mm; the air gap between the G9 lens and the G10 lens is 2.3-3.5 mm; the air gap between the G10 lens and the G11 lens is 0-1.0 mm; the air gap between the G11 lens and the G12 lens is 14-17 mm; the air gap between the G12 lens and the G13 lens is 0-1.0 mm; the air gap between the G13 lens and the G14 lens is 0.3-1.5 mm; and the air gap between the G14 lens and the G15 lens is 1-1.0 mm.

[0010] In one embodiment,

[0011] N of G1 lens d The value is 1.83400, V d The value is 37.21;

[0012] N of G2 lens d The value is 1.80400, V d The value is 46.57;

[0013] N of G3 lens d The value is 1.84666, V d The value is 23.78;

[0014] N of G4 lens d The value is 1.84666, V d The value is 23.78;

[0015] G5 lens N d The value is 1.91082, V d The value is 35.28;

[0016] N of the focusing G6 lens d The value is 1.83400, V d The value is 37.21;

[0017] G7 lens N d The value is 1.91082, V d The value is 35.28;

[0018] N of G8 lens d The value is 1.52307, V d The value is 58.64;

[0019] G9 lens N d The value is 1.77250, V d The value is 49.60;

[0020] N of G10 lens d The value is 1.91082, V d The value is 35.28;

[0021] N of the G11 lens d The value is 1.91082, V d The value is 35.28;

[0022] N of G12 lens d The value is 1.62299, V d The value is 58.12;

[0023] N of the G13 lens d The value is 1.84666, V d The value is 23.78;

[0024] N of G14 lens d The value is 1.77250, V d The value is 49.60;

[0025] N of G15 lens d The value is 1.77250, V d The value is 49.60.

[0026] In one embodiment,

[0027] The center thickness of the G1 lens is 2.60-2.90 mm;

[0028] The center thickness of the G2 lens is 3.9-4.5mm;

[0029] The center thickness of the G3 lens is 1.5-1.8mm;

[0030] The center thickness of the G4 lens is 1.55-1.75mm;

[0031] The center thickness of the G5 lens is 4.0-5.0mm;

[0032] The center thickness of the G6 focusing lens is 3.8-4.1mm;

[0033] The center thickness of the G7 lens is 4.4-4.7mm;

[0034] The center thickness of the G8 lens is 1.3-1.7mm;

[0035] The center thickness of the G9 lens is 2.8-3.5mm;

[0036] The center thickness of the G10 lens is 5.5-6.5mm;

[0037] The center thickness of the G11 lens is 4.0-6.0 mm;

[0038] The center thickness of the G12 lens is 4.5-5.8mm;

[0039] The center thickness of the G13 lens is 1.4-1.6mm;

[0040] The center thickness of the G14 lens is 4.5-5.8mm;

[0041] The center thickness of the G15 lens is 3.5-4.5mm.

[0042] In one embodiment,

[0043] The diameter of the G1 lens is 10-33mm;

[0044] The diameter of the G2 lens is 10-20mm;

[0045] The diameter of the G3 lens is 10-30mm;

[0046] The diameter of the G4 lens is 10-30mm;

[0047] The diameter of the G5 lens is 12-25mm;

[0048] The diameter of the focusing G6 lens is 18-30mm;

[0049] The diameter of the G7 lens is 16-28mm;

[0050] The diameter of the G8 lens is 15-40mm;

[0051] The diameter of the G9 lens is 15-40mm;

[0052] The diameter of the G10 lens is 14-29mm;

[0053] The diameter of the G11 lens is 23-31mm;

[0054] The diameter of the G12 lens is 20-34mm;

[0055] The diameter of the G13 lens is 20-34mm;

[0056] The diameter of the G14 lens is 14-28mm;

[0057] The diameter of the G15 lens is 8-20mm.

[0058] The mobile phone attached telephoto portrait lens of this utility model has a focusing G6 lens set between the first lens assembly and the second lens assembly. By focusing the G6 lens, it is possible to better capture distant portraits and obtain clearer images. Attached Figure Description

[0059] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0060] Figure 1 A schematic diagram of the cross-sectional structure of a mobile phone attachment telephoto portrait lens according to an embodiment of the present invention;

[0061] Figure 2 for Figure 1 The optical path diagram shown is for a mobile phone with an attached telephoto portrait lens.

[0062] Figure 3 for Figure 1 The field curvature and distortion diagrams shown are for a mobile phone with an attached telephoto portrait lens.

[0063] Figure 4 for Figure 1 The diagram shown is a dot matrix of a mobile phone with an attached telephoto portrait lens.

[0064] Figure 5 for Figure 1 The MTF diagram of the mobile phone with attached telephoto portrait lens is shown.

[0065] Detailed Implementation

[0066] To facilitate understanding of this utility model, a more complete description will be given below with reference to the accompanying drawings. The drawings illustrate preferred embodiments of this utility model. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the disclosure of this utility model.

[0067] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0068] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0069] This utility model discloses a mobile phone attached telephoto portrait lens, which includes, from the object side to the imaging plane, the following components in sequence: a first lens assembly, a focusing G6 lens, a second lens assembly, and a third lens assembly.

[0070] The first lens assembly includes lenses G1, G2, G3, G4, and G5; the second lens assembly includes lenses G7, G8, G9, G10, and G11; and the third lens assembly includes lenses G12, G13, G14, and G15. A focusing lens G6 is positioned between the first and second lens assemblies.

[0071] The optical centers of all the lenses are located on the same straight line. The radius of curvature of the mirror surface facing the object side and the radius of curvature of the mirror surface facing the imaging plane are represented by R1 and R2, respectively.

[0072] Table 1

[0073] Nd Vd R1 (mm) R2 (mm) Center thickness (mm) Diameter (mm) Lens G1 1.83400 37.21 R51.5-R53.0 ∞ 2.60-2.90 10-33 Lens G2 1.80400 46.57 R13-R14 R34-R35 3.9-4.5 10-20 Lens G3 1.84666 23.78 R43-R45 R10.5-R12 1.5-1.8 10-30 Lens G4 1.84666 23.78 R14.5-R16 R152-R158 1.55-1.75 10-30 Lens G5 1.91082 35.28 ∞ R20-R22 4.0-5.0 12-25 Lens G6 1.83400 37.21 R51.0-R52.5 R113-R114.5 3.8-4.1 18-30 Lens G7 1.91082 35.28 R33.0-R34.5 R86-R88 4.4-4.7 16-28 Lens G8 1.52307 58.64 R34-R35.5 R12.-R13.5 1.3-1.7 15-40 Lens G9 1.77250 49.60 R14.5-R16 ∞ 2.8-3.5 15-40 Lens G10 1.91082 35.28 R20-R22 R15-R17 5.5-6.5 14-29 Lens G11 1.91082 35.28 R30-R32 R19-R21 4.0-6.0 23-31 Lens G12 1.62299 58.12 R62-R64 R62-R64 4.5-5.8 20-34 Lens G13 1.84666 23.78 R27-R29 R17-R19 1.4-1.6 20-34 Lens G14 1.77250 49.60 R20-R22 R209-R213 4.5-5.8 14-28 Lens G15 1.77250 49.60 R12-R14 R18-R20 3.5-4.5 8-20

[0074] As shown in Table 1 above, for lens G1, R1 = 51.5-53.0 mm, R2 = ∞; for lens G2, R1 = 13-14 mm, R2 = 34-35 mm; for lens G3, R1 = 43-45 mm, R2 = 10.5-12 mm; for lens G4, R1 = 14.5-16 mm, R2 = 152-158 mm; for lens G5, R1 = ∞, R2 = 20-22 mm; for focusing lens G6, R1 = 51.0-52.5 mm, R2 = 113-114.5 mm; for lens G7, R1 = 33.0-34.5 mm, R2 = 86-88 mm; for lens G8, R1 = 34-35.5 mm, R2 = 12-13.5 mm; for lens G9, R1 = 14.5-16 mm, R2 = ∞; for lens G10, R1 = 51.5-53.0 mm, R2 = ∞. =20-22mm, R2=15-17mm; G11 lens R1 =30-32mm, R2=19-21mm; G12 lens R1 =62-64mm, R2=62-64mm; G13 lens R1 =27-29mm, R2=17-19mm; G14 lens R1 =20-22mm, R2=209-213mm; G15 lens R1 =12-14mm, R2=18-20mm.

[0075] Furthermore, the air gap between the G1 lens and the G2 lens is 0-0.6mm; the air gap between the G2 lens and the G3 lens is 0-0.6mm; the air gap between the G3 lens and the G4 lens is 3.5-4.5mm; the air gap between the G4 lens and the G5 lens is 1.5-2.5mm; the air gap between the G5 lens and the focusing G6 lens is 0-11mm; the air gap between the focusing G6 lens and the G7 lens is 0-11mm; the air gap between the G7 lens and the G8 lens is 2.0-3.0mm; and the G8... The air gap between the lens and the G9 lens is 5.0-7.0 mm; the air gap between the G9 lens and the G10 lens is 2.3-3.5 mm; the air gap between the G10 lens and the G11 lens is 0-1.0 mm; the air gap between the G11 lens and the G12 lens is 14-17 mm; the air gap between the G12 lens and the G13 lens is 0-1.0 mm; the air gap between the G13 lens and the G14 lens is 0.3-1.5 mm; and the air gap between the G14 lens and the G15 lens is 1-1.0 mm.

[0076] As shown in Table 1 above, N d The value represents the d-line refractive index of the material, N. d The value represents the Abbe number of the material, determined by N. d Value and N d The value determines which type of material to use.

[0077] As shown in Table 1 above, the N of the G1 lens d The value is 1.83400, V d The value is 37.21; N of the G2 lens d The value is 1.80400, V d The value is 46.57; N of the G3 lens d The value is 1.84666, V d The value is 23.78; N of the G4 lens d The value is 1.84666, V d The value is 23.78; N of the G5 lens d The value is 1.91082, V d The value is 35.28; N of the focusing G6 lens d The value is 1.83400, V d The value is 37.21; N of the G7 lens d The value is 1.91082, V d The value is 35.28; N of the G8 lens d The value is 1.52307, V d The value is 58.64; N of the G9 lens d The value is 1.77250, V d The value is 49.60; N of the G10 lens d The value is 1.91082, V d The value is 35.28; N of the G11 lens d The value is 1.91082, V d The value is 35.28; N of the G12 lens d The value is 1.62299, V d The value is 58.12; N of the G13 lens d The value is 1.84666, V d The value is 23.78; N of the G14 lens d The value is 1.77250, V d The value is 49.60; N of the G15 lens d The value is 1.77250, V d The value is 49.60.

[0078] As shown in Table 1 above, the center thickness of the G1 lens is 2.60-2.90 mm; the center thickness of the G2 lens is 3.9-4.5 mm; the center thickness of the G3 lens is 1.5-1.8 mm; and the center thickness of the G4 lens is 1.55-1.75 mm.

[0079] The center thickness of the G5 lens is 4.0-5.0mm; the center thickness of the G6 focusing lens is 3.8-4.1mm; the center thickness of the G7 lens is 4.4-4.7mm; the center thickness of the G8 lens is 1.3-1.7mm; the center thickness of the G9 lens is 2.8-3.5mm; the center thickness of the G10 lens is 5.5-6.5mm; the center thickness of the G11 lens is 4.0-6.0mm; the center thickness of the G12 lens is 4.5-5.8mm; the center thickness of the G13 lens is 1.4-1.6mm; the center thickness of the G14 lens is 4.5-5.8mm; and the center thickness of the G15 lens is 3.5-4.5mm.

[0080] In this invention, a focusing G6 lens is specially provided between the first lens assembly and the second lens assembly. By focusing the G6 lens, it is possible to better capture distant portraits and obtain clearer images.

[0081] like Figure 3 As shown, the smaller the data range of the field curvature curve and distortion curve, the better the lens performance. The field curvature range of the mobile phone attached telephoto portrait lens of this utility model is between -10μm and +10μm, and the distortion range is between -1 and +1, indicating that the field curvature and distortion in this embodiment can be well corrected.

[0082] like Figure 4 The point chart shown and Figure 5 As can be seen from the diffraction MTF pattern shown, the telephoto portrait lens attached to the mobile phone of this utility model has high clarity and can clearly capture portraits of people at a distance.

[0083] In this invention, preferably, the diameter of the G1 lens is 10-33mm; the diameter of the G2 lens is 10-20mm; the diameter of the G3 lens is 10-30mm; the diameter of the G4 lens is 10-30mm; the diameter of the G5 lens is 12-25mm; the diameter of the focusing G6 lens is 18-30mm; the diameter of the G7 lens is 16-28mm; the diameter of the G8 lens is 15-40mm; the diameter of the G9 lens is 15-40mm; the diameter of the G10 lens is 14-29mm; the diameter of the G11 lens is 23-31mm; the diameter of the G12 lens is 20-34mm; the diameter of the G13 lens is 20-34mm; the diameter of the G14 lens is 14-28mm; and the diameter of the G15 lens is 8-20mm.

[0084] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A mobile phone with attached telephoto portrait lens, characterized in that, From the object side to the imaging plane, the components are arranged in sequence as follows: a first lens assembly, a focusing G6 lens, a second lens assembly, and a third lens assembly. The first lens assembly includes: lens G1, lens G2, lens G3, lens G4, and lens G5; the second lens assembly includes: lens G7, lens G8, lens G9, lens G10, and lens G11; the third lens assembly includes: lens G12, lens G13, lens G14, and lens G15. The optical centers of all the lenses are located on the same straight line. The radius of curvature of the mirror surface facing the object side and the radius of curvature of the mirror surface facing the imaging plane are represented by R1 and R2, respectively. G1 lens R1=51.5-53.0mm, R2=∞; G2 lens R1=13-14mm, R2=34-35mm; G3 lens R1=43-45mm, R2=10.5-12mm; G4 lens R1=14.5-16mm, R2=152-158mm; G5 lens R1=∞, R2=20-22mm; Focusing G6 lens R1=51.0-52.5mm, R2=113-114.5mm; G7 lens R1=33.0-34.5mm, R2=86-88mm; G8 lens R1=34-35.5mm, R2=12-13.5mm; G9 lens R1=14.5-16mm, R2=∞; G10 lens R1 =20-22mm, R2=15-17mm; G11 lens R1 =30-32mm, R2=19-21mm; G12 lens R1 =62-64mm, R2=62-64mm; G13 lens R1 =27-29mm, R2=17-19mm; G14 lens R1 =20-22mm, R2=209-213mm; G15 lens R1 =12-14mm, R2=18-20mm; The air gap between G1 and G2 lenses is 0-0.6mm; the air gap between G2 and G3 lenses is 0-0.6mm; the air gap between G3 and G4 lenses is 3.5-4.5mm; the air gap between G4 and G5 lenses is 1.5-2.5mm; the air gap between G5 and focusing G6 lenses is 0-11mm; the air gap between focusing G6 and G7 lenses is 0-11mm; the air gap between G7 and G8 lenses is 2.0-3.0mm; the air gap between G8 lenses is... The air gap between the G9 lens and the G10 lens is 5.0-7.0 mm; the air gap between the G9 lens and the G10 lens is 2.3-3.5 mm; the air gap between the G10 lens and the G11 lens is 0-1.0 mm; the air gap between the G11 lens and the G12 lens is 14-17 mm; the air gap between the G12 lens and the G13 lens is 0-1.0 mm; the air gap between the G13 lens and the G14 lens is 0.3-1.5 mm; and the air gap between the G14 lens and the G15 lens is 1-1.0 mm.

2. The mobile phone attached telephoto portrait lens according to claim 1, characterized in that, N of G1 lens d The value is 1.83400, V d The value is 37.21; N of G2 lens d The value is 1.80400, V d The value is 46.57; G3 lens N d The value is 1.84666, V d The value is 23.78; N of G4 lens d The value is 1.84666, V d The value is 23.78; G5 lens N d The value is 1.91082, V d The value is 35.28; N-focusing G6 lens d The value is 1.83400, V d The value is 37.21; G7 lens N d The value is 1.91082, V d The value is 35.28; N of G8 lens d The value is 1.52307, V d The value is 58.64; G9 lens N d The value is 1.77250, V d The value is 49.60; N of G10 lens d The value is 1.91082, V d The value is 35.28; N of the G11 lens d The value is 1.91082, V d The value is 35.28; N of G12 lens d The value is 1.62299, V d The value is 58.12; N of the G13 lens d The value is 1.84666, V d The value is 23.78; N of G14 lens d The value is 1.77250, V d The value is 49.60; N of G15 lens d The value is 1.77250, V d The value is 49.

60.

3. The mobile phone attached telephoto portrait lens according to claim 1, characterized in that, The center thickness of the G1 lens is 2.60-2.90 mm; The center thickness of the G2 lens is 3.9-4.5mm; The center thickness of the G3 lens is 1.5-1.8mm; The center thickness of the G4 lens is 1.55-1.75mm; The center thickness of the G5 lens is 4.0-5.0mm; The center thickness of the G6 focusing lens is 3.8-4.1mm; The center thickness of the G7 lens is 4.4-4.7mm; The center thickness of the G8 lens is 1.3-1.7mm; The center thickness of the G9 lens is 2.8-3.5mm; The center thickness of the G10 lens is 5.5-6.5mm; The center thickness of the G11 lens is 4.0-6.0 mm; The center thickness of the G12 lens is 4.5-5.8mm; The center thickness of the G13 lens is 1.4-1.6mm; The center thickness of the G14 lens is 4.5-5.8mm; The center thickness of the G15 lens is 3.5-4.5mm.

4. The mobile phone attached telephoto portrait lens according to claim 1, characterized in that, The diameter of the G1 lens is 10-33mm; The diameter of the G2 lens is 10-20mm; The diameter of the G3 lens is 10-30mm; The diameter of the G4 lens is 10-30mm; The diameter of the G5 lens is 12-25mm; The diameter of the focusing G6 lens is 18-30mm; The diameter of the G7 lens is 16-28mm; The diameter of the G8 lens is 15-40mm; The diameter of the G9 lens is 15-40mm; The diameter of the G10 lens is 14-29mm; The diameter of the G11 lens is 23-31mm; The diameter of the G12 lens is 20-34mm; The diameter of the G13 lens is 20-34mm; The diameter of the G14 lens is 14-28mm; The diameter of the G15 lens is 8-20mm.

Images