CN111025573B

CN111025573B - Image pickup optical lens

Info

Publication number: CN111025573B
Application number: CN201911368491.4A
Authority: CN
Inventors: 新田耕二; 张磊; 崔元善
Original assignee: Chengrui Optics Changzhou Co Ltd
Current assignee: Chengrui Optics Changzhou Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2022-04-26
Anticipated expiration: 2039-12-26
Also published as: CN111025573A

Abstract

The invention relates to the field of optical lenses, and discloses an image pickup optical lens, which sequentially comprises from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens; and satisfies the following relationships: FOV is more than or equal to 100.00 degrees and less than or equal to 135.00 degrees; f3/f is more than or equal to 1.00 and less than or equal to 8.00; d1/d5 is more than or equal to 1.55 and less than or equal to 3.00. The imaging optical lens can obtain high imaging performance and low TTL.

Description

Image pickup optical lens

Technical Field

The present invention relates to the field of optical lenses, and more particularly, to an imaging optical lens suitable for portable terminal devices such as smart phones and digital cameras, and imaging apparatuses such as monitors and PC lenses.

Background

In recent years, with the rise of smart phones, the demand of miniaturized camera lenses is increasing, and the photosensitive devices of general camera lenses are not limited to two types, namely, a Charge Coupled Device (CCD) or a Complementary Metal-Oxide Semiconductor (CMOS) Device, and due to the refinement of Semiconductor manufacturing technology, the pixel size of the photosensitive devices is reduced, and in addition, the current electronic products are developed in a form of being excellent in function, light, thin, short and small, so that the miniaturized camera lenses with good imaging quality are the mainstream in the current market.

In order to obtain better imaging quality, the lens mounted on the mobile phone camera conventionally adopts a three-piece or four-piece lens structure. Moreover, with the development of technology and the increase of diversified demands of users, under the condition that the pixel area of the photosensitive device is continuously reduced and the requirement of the system on the imaging quality is continuously improved, five-piece, six-piece and seven-piece lens structures gradually appear in the design of the lens. An ultra-thin wide-angle imaging optical lens having excellent optical characteristics is urgently required.

Disclosure of Invention

In view of the above problems, an object of the present invention is to provide an imaging optical lens that can satisfy the requirements of ultra-thinning and wide angle while achieving high imaging performance.

To solve the above-mentioned problems, an embodiment of the present invention provides an imaging optical lens, in order from an object side to an image side, comprising: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens; the first lens element with negative refractive power, the second lens element with positive refractive power, the third lens element with positive refractive power, and the fourth lens element with negative refractive power; the imaging optical lens has a maximum field angle FOV, a focal length f3, an on-axis thickness d1, and an on-axis thickness d5, and satisfies the following relationships: FOV is more than or equal to 100.00 degrees and less than or equal to 135.00 degrees; f3/f is more than or equal to 1.00 and less than or equal to 8.00; d1/d5 is more than or equal to 1.55 and less than or equal to 3.00.

Preferably, the object side surface of the first lens is concave at the paraxial region; the focal length of the first lens is f1, the curvature radius of the object side surface of the first lens is R1, the curvature radius of the image side surface of the first lens is R2, the total optical length of the image pickup optical lens is TTL, and the following relational expression is satisfied: f1/f is not less than-1.05 and is not less than-55.64; -30.47 ≤ (R1+ R2)/(R1-R2) 1.02; d1/TTL is more than or equal to 0.05 and less than or equal to 0.34.

Preferably, the imaging optical lens satisfies the following relational expression: f1/f is not less than-1.31 and is not less than-34.77; -19.04 (R1+ R2)/(R1-R2) is 0.81 or less; d1/TTL is more than or equal to 0.07 and less than or equal to 0.27.

Preferably, the object-side surface of the second lens element is convex in the paraxial region, and the image-side surface of the second lens element is concave in the paraxial region; the focal length of the second lens is f2, the curvature radius of the object side surface of the second lens is R3, the curvature radius of the image side surface of the second lens is R4, the on-axis thickness of the second lens is d3, the total optical length of the photographic optical lens is TTL, and the following relational expression is satisfied: f2/f is more than or equal to 0.90 and less than or equal to 250.53; -151.98 (R3+ R4)/(R3-R4) is not more than 47.80; d3/TTL is more than or equal to 0.02 and less than or equal to 0.18.

Preferably, the imaging optical lens satisfies the following relational expression: f2/f is more than or equal to 1.44 and less than or equal to 200.43; 94.99-38.24 (R3+ R4)/(R3-R4); d3/TTL is more than or equal to 0.03 and less than or equal to 0.14.

Preferably, the image-side surface of the third lens is convex at the paraxial region; the curvature radius of the object side surface of the third lens is R5, the curvature radius of the image side surface of the third lens is R6, the total optical length of the photographic optical lens is TTL, and the following relational expression is satisfied: -0.89 ≤ (R5+ R6)/(R5-R6) 3.81; d5/TTL is more than or equal to 0.02 and less than or equal to 0.16.

Preferably, the imaging optical lens satisfies the following relational expression: -0.56 ≤ (R5+ R6)/(R5-R6) 3.05; d5/TTL is more than or equal to 0.03 and less than or equal to 0.13.

Preferably, the focal length of the fourth lens element is f4, the radius of curvature of the object-side surface of the fourth lens element is R7, the radius of curvature of the image-side surface of the fourth lens element is R8, the on-axis thickness of the fourth lens element is d7, the total optical length of the imaging optical lens system is TTL, and the following relationships are satisfied: f4/f is more than or equal to minus 10.08 and less than or equal to minus 1.01; 4.66 is less than or equal to (R7+ R8)/(R7-R8) is less than or equal to 4.69; d7/TTL is more than or equal to 0.02 and less than or equal to 0.16.

Preferably, the imaging optical lens satisfies the following relational expression: f4/f is not less than 6.30 and not more than-1.26; -2.91 ≤ (R7+ R8)/(R7-R8) 3.75; d7/TTL is more than or equal to 0.03 and less than or equal to 0.13.

Preferably, the image-side surface of the fifth lens element is convex at the paraxial region; the focal length of the fifth lens element is f5, the curvature radius of the object-side surface of the fifth lens element is R9, the curvature radius of the image-side surface of the fifth lens element is R10, the on-axis thickness of the fifth lens element is d9, and the total optical length of the imaging optical lens assembly is TTL and satisfies the following relation: -36.51 ≤ f5/f ≤ 3.25; -28.62 ≦ (R9+ R10)/(R9-R10) 3.38; d9/TTL is more than or equal to 0.02 and less than or equal to 0.23.

Preferably, the imaging optical lens satisfies the following relational expression: -22.82. ltoreq. f 5/f. ltoreq.2.60; -17.89 ≤ (R9+ R10)/(R9-R10) 2.71; d9/TTL is more than or equal to 0.04 and less than or equal to 0.18.

Preferably, the image-side surface of the sixth lens element is concave at the paraxial region; the focal length of the sixth lens element is f6, the curvature radius of the object-side surface of the sixth lens element is R11, the curvature radius of the image-side surface of the sixth lens element is R12, the on-axis thickness of the sixth lens element is d11, and the total optical length of the imaging optical lens assembly is TTL and satisfies the following relation: 18.73 < f6/f < 2.28; -6.71 ≤ (R11+ R12)/(R11-R12) is ≤ 10.57; d11/TTL is more than or equal to 0.02 and less than or equal to 0.13.

Preferably, the imaging optical lens satisfies the following relational expression: 11.71 ≦ f6/f ≦ 1.82; -4.19 ≤ (R11+ R12)/(R11-R12) 8.46; d11/TTL is more than or equal to 0.03 and less than or equal to 0.10.

Preferably, the image-side surface of the seventh lens element is concave at the paraxial region; the focal length of the seventh lens element is f7, the curvature radius of the object-side surface of the seventh lens element is R13, the curvature radius of the image-side surface of the seventh lens element is R14, the on-axis thickness of the seventh lens element is d13, and the total optical length of the imaging optical lens system is TTL and satisfies the following relations: -2.91. ltoreq. f 7/f. ltoreq.18.91; -52.20 ≦ (R13+ R14)/(R13-R14) 1.52; d13/TTL is more than or equal to 0.04 and less than or equal to 0.21.

Preferably, the imaging optical lens satisfies the following relational expression: -1.82. ltoreq. f 7/f. ltoreq.15.12; -32.63 (R13+ R14)/(R13-R14) is less than or equal to 1.21; d13/TTL is more than or equal to 0.06 and less than or equal to 0.17.

Preferably, the total optical length TTL of the image pickup optical lens is less than or equal to 10.46 millimeters.

Preferably, the total optical length TTL of the image pickup optical lens is less than or equal to 9.99 mm.

Preferably, the F-number of the imaging optical lens is less than or equal to 2.43.

Preferably, the F-number of the imaging optical lens is 2.39 or less.

The invention has the beneficial effects that: the imaging optical lens according to the present invention has excellent optical characteristics, is extremely thin, has a wide angle, and sufficiently corrects chromatic aberration, and is particularly suitable for a mobile phone imaging lens unit and a WEB imaging lens which are configured by an imaging element such as a CCD or a CMOS for high pixel.

Drawings

Fig. 1 is a schematic configuration diagram of an imaging optical lens according to a first embodiment of the present invention;

FIG. 2 is a schematic axial aberration diagram of the imaging optical lens of FIG. 1;

fig. 3 is a schematic diagram of chromatic aberration of magnification of the imaging optical lens shown in fig. 1;

FIG. 4 is a schematic view of curvature of field and distortion of the imaging optical lens of FIG. 1;

fig. 5 is a schematic configuration diagram of an imaging optical lens according to a second embodiment of the present invention;

FIG. 6 is a schematic axial aberration diagram of the imaging optical lens of FIG. 5;

fig. 7 is a schematic diagram of chromatic aberration of magnification of the imaging optical lens shown in fig. 5;

FIG. 8 is a schematic view of curvature of field and distortion of the imaging optical lens of FIG. 5;

fig. 9 is a schematic configuration diagram of an imaging optical lens according to a third embodiment of the present invention;

fig. 10 is a schematic view of axial aberrations of the image pickup optical lens shown in fig. 9;

fig. 11 is a schematic diagram of chromatic aberration of magnification of the imaging optical lens shown in fig. 9;

FIG. 12 is a schematic view of curvature of field and distortion of the imaging optical lens of FIG. 9;

fig. 13 is a schematic configuration diagram of an imaging optical lens according to a fourth embodiment of the present invention;

fig. 14 is a schematic view of axial aberrations of the image pickup optical lens shown in fig. 13;

fig. 15 is a schematic diagram of chromatic aberration of magnification of the imaging optical lens shown in fig. 13;

fig. 16 is a schematic view of curvature of field and distortion of the imaging optical lens shown in fig. 13;

fig. 17 is a schematic configuration diagram of an imaging optical lens according to a fifth embodiment of the present invention;

fig. 18 is a schematic view of axial aberrations of the image pickup optical lens shown in fig. 17;

fig. 19 is a schematic diagram of chromatic aberration of magnification of the imaging optical lens shown in fig. 17;

fig. 20 is a schematic view of curvature of field and distortion of the imaging optical lens shown in fig. 17;

fig. 21 is a schematic configuration diagram of an imaging optical lens according to a sixth embodiment of the present invention;

fig. 22 is a schematic view of axial aberrations of the image pickup optical lens shown in fig. 21;

fig. 23 is a schematic diagram of chromatic aberration of magnification of the imaging optical lens shown in fig. 21;

fig. 24 is a schematic view of curvature of field and distortion of the imaging optical lens shown in fig. 21.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that numerous technical details are set forth in order to provide a better understanding of the present invention in its various embodiments. However, the technical solution claimed in the present invention can be implemented without these technical details and various changes and modifications based on the following embodiments.

(first embodiment)

Referring to the drawings, the present invention provides an image pickup optical lens 10. Fig. 1 shows an imaging optical lens 10 according to a first embodiment of the present invention, and the imaging optical lens 10 includes seven lenses. Specifically, the imaging optical lens 10, in order from an object side to an image side, includes: a first lens L1, a second lens L2, a stop S1, a third lens L3, a fourth lens L4, a fifth lens L5, a sixth lens L6, and a seventh lens L7. An optical element such as an optical filter (filter) GF may be disposed between the seventh lens L7 and the image plane Si.

The first lens L1 is made of plastic, the second lens L2 is made of plastic, the third lens L3 is made of plastic, the fourth lens L4 is made of plastic, the fifth lens L5 is made of plastic, the sixth lens L6 is made of plastic, and the seventh lens L7 is made of plastic.

The first lens element L1 with negative refractive power, the second lens element L2 with positive refractive power, the third lens element L3 with positive refractive power and the fourth lens element L4 with negative refractive power.

The maximum field angle of the imaging optical lens 10 is defined as FOV, and the relationship is satisfied: FOV is more than or equal to 100.00 degrees and less than or equal to 135.00 degrees. Accordingly, the angle of view of the imaging optical lens 10 is specified, and ultra-wide-angle imaging can be realized within a range, thereby improving user experience.

Defining the focal length of the entire image pickup optical lens 10 as f, and the focal length of the third lens L3 as f3, the following relations are satisfied: f3/f is more than or equal to 1.00 and less than or equal to 8.00. Through reasonable distribution of the optical power, the system has better imaging quality and lower sensitivity.

Defining the on-axis thickness of the first lens L1 as d1 and the on-axis thickness of the third lens L3 as d5, the relation is satisfied: d1/d5 is more than or equal to 1.55 and less than or equal to 3.00. Accordingly, the ratio of the on-axis thickness of the first lens L1 to the on-axis thickness of the third lens L3 is determined, and the lens is favorably widened in the range of the conditional expressions.

When the focal length of the image pickup optical lens 10, the focal length of each lens, the on-axis distance from the image side surface to the object side surface of the relevant lens, and the on-axis thickness satisfy the above relation, the image pickup optical lens 10 can have high performance and meet the design requirement of low TTL.

The object side surface of the first lens L1 is concave at the paraxial region.

Defining the focal length of the first lens L1 as f1 and the focal length of the entire imaging optical lens 10 as f, the following relation is satisfied: f1/f is not less than-1.05 and is not less than-55.64. Therefore, the ratio of the focal length of the first lens element L1 to the total system focal length is specified, and when the ratio is within the specified range, the first lens element L1 has appropriate negative refractive power, which is beneficial to reducing system aberration and is beneficial to the development of ultra-thin and wide-angle lenses. Preferably, the following are satisfied: f1/f is not less than-34.77 and not more than-1.31.

The curvature radius of the object-side surface of the first lens L1 is defined as R1, the curvature radius of the image-side surface of the first lens L1 is defined as R2, and the following relations are satisfied: the ratio of (R1+ R2)/(R1-R2) is less than or equal to-30.47 and less than or equal to 1.02. Thereby, the shape of the first lens L1 is controlled appropriately, so that the first lens L1 can effectively correct the system spherical aberration. Preferably, the following are satisfied: the ratio of (R1+ R2)/(R1-R2) is not more than 19.04 and not more than 0.81.

Defining the on-axis thickness of the first lens L1 as d1, the total optical length of the imaging optical lens as TTL, and satisfying the relation: d1/TTL is more than or equal to 0.05 and less than or equal to 0.34, and ultra-thinning is facilitated. Preferably, the following are satisfied: d1/TTL is more than or equal to 0.07 and less than or equal to 0.27.

The object-side surface of the second lens element L2 is convex and the image-side surface of the second lens element L2 is concave.

Defining a focal length f2 of the second lens L2, wherein f is the focal length of the entire imaging optical lens 10, and the following relation is satisfied: f2/f is not less than 0.90 and not more than 250.53. By controlling the positive power of the second lens L2 within a reasonable range, it is advantageous to correct the aberration of the optical system. Preferably, the following are satisfied: f2/f is more than or equal to 1.44 and less than or equal to 200.43.

The curvature radius of the object-side surface of the second lens L2 is defined as R3, the curvature radius of the image-side surface of the second lens L2 is defined as R4, and the following relation is satisfied: the ratio of (R3+ R4)/(R3-R4) is not more than 151.98 and not more than 47.80. The shape of the second lens L2 is defined, and when the lens is within the range, the problem of chromatic aberration on the axis can be corrected favorably as the lens becomes thinner and wider. Preferably, the following are satisfied: 94.99-94.78 (R3+ R4)/(R3-R4) 38.24.

Defining the on-axis thickness of the second lens L2 as d3, the total optical length of the imaging optical lens as TTL, and satisfying the relation: d3/TTL is more than or equal to 0.02 and less than or equal to 0.18, and ultra-thinning is facilitated. Preferably, the following are satisfied: d3/TTL is more than or equal to 0.03 and less than or equal to 0.14.

The image-side surface of the third lens element L3 is convex paraxially.

The curvature radius of the object-side surface of the third lens L3 is defined as R5, the curvature radius of the image-side surface of the third lens L3 is defined as R6, and the following relation is satisfied: the ratio of (R5+ R6)/(R5-R6) is more than or equal to 0.89 and less than or equal to 3.81, the shape of the third lens L3 can be effectively controlled, the molding of the third lens L3 is facilitated, and the deflection degree of light rays passing through the lens can be alleviated within the range specified by the conditional expression, so that the aberration can be effectively reduced. Preferably, the following are satisfied: -0.56 ≤ (R5+ R6)/(R5-R6) 3.05.

Defining the on-axis thickness of the third lens L3 as d5, the total optical length of the imaging optical lens as TTL, and satisfying the relation: d5/TTL is more than or equal to 0.02 and less than or equal to 0.16, and ultra-thinning is facilitated. Preferably, the following are satisfied: d5/TTL is more than or equal to 0.03 and less than or equal to 0.13.

Defining a focal length f4 of the fourth lens L4, wherein f is the focal length of the entire imaging optical lens 10, and the following relation is satisfied: f4/f is more than or equal to-10.08 and less than or equal to-1.01. By controlling the optical power of the fourth lens L4 within a reasonable range, the system has better imaging quality and lower sensitivity. Preferably, the following are satisfied: f4/f is less than or equal to-1.26 and is less than or equal to-6.30.

The curvature radius of the object-side surface of the fourth lens L4 is defined as R7, the curvature radius of the image-side surface of the fourth lens L4 is defined as R8, and the following relation is satisfied: 4.66 is less than or equal to (R7+ R8)/(R7-R8) is less than or equal to 4.69. The shape of the fourth lens L4 is defined, and when the fourth lens is within the range, it is advantageous to correct the problems such as aberration of the off-axis view angle as the thickness and the angle of view are increased. Preferably, the following are satisfied: -2.91 ≤ (R7+ R8)/(R7-R8) 3.75.

Defining the on-axis thickness of the fourth lens L4 as d7, the total optical length of the imaging optical lens as TTL, and satisfying the relation: d7/TTL is more than or equal to 0.02 and less than or equal to 0.16, and ultra-thinning is facilitated. Preferably, the following are satisfied: d7/TTL is more than or equal to 0.03 and less than or equal to 0.13.

The image-side surface of the fifth lens element L5 is convex paraxially.

Defining the focal length of the fifth lens L5 as f5 and the focal length of the entire imaging optical lens 10 as f, the following relation is satisfied: f5/f is less than or equal to 3.25 and is less than or equal to-36.51. The definition of the fifth lens L5 can effectively make the light ray angle of the camera lens smooth, and reduce tolerance sensitivity. Preferably, the following are satisfied: -22.82. ltoreq. f 5/f. ltoreq.2.60.

The curvature radius of the object-side surface of the fifth lens L5 is defined as R9, the curvature radius of the image-side surface of the fifth lens L5 is defined as R10, and the following relation is satisfied: -28.62 ≦ (R9+ R10)/(R9-R10) 3.38. When the shape of the fifth lens L5 is defined and falls within the range defined by the relational expression, it is advantageous to correct the off-axis aberration and other problems as the angle of view increases. Preferably, the following are satisfied: -17.89 ≤ (R9+ R10)/(R9-R10) 2.71.

Defining the on-axis thickness of the fifth lens L5 as d9, the total optical length of the imaging optical lens as TTL, and satisfying the relation: d9/TTL is more than or equal to 0.02 and less than or equal to 0.23, and ultra-thinning is facilitated. Preferably, the following are satisfied: d9/TTL is more than or equal to 0.04 and less than or equal to 0.18.

The image-side surface of the sixth lens element L6 is concave in the paraxial region.

Defining the focal length of the sixth lens L6 as f6 and the focal length of the entire imaging optical lens 10 as f, the following relation is satisfied: 18.73 to f6/f to 2.28. Through reasonable distribution of the optical power, the system has better imaging quality and lower sensitivity. Preferably, the following are satisfied: 11.71 ≦ f6/f ≦ 1.82.

The curvature radius of the object-side surface of the sixth lens L6 is defined as R11, the curvature radius of the image-side surface of the sixth lens L6 is defined as R12, and the following relation is satisfied: 6.71-10.57 percent (R11+ R12)/(R11-R12). When the shape of the sixth lens L6 is defined and falls within the range defined by the relational expression, it is advantageous to correct the off-axis aberration and other problems as the angle of view increases with the increase in the thickness and the angle of view. Preferably, the following are satisfied: 4.19 is less than or equal to (R11+ R12)/(R11-R12) is less than or equal to 8.46.

Defining the on-axis thickness of the sixth lens L6 as d11, the total optical length of the imaging optical lens as TTL, and satisfying the relation: d11/TTL is more than or equal to 0.02 and less than or equal to 0.13, and ultra-thinning is facilitated. Preferably, the following are satisfied: d11/TTL is more than or equal to 0.03 and less than or equal to 0.10.

The image-side surface of the seventh lens element L7 is concave in the paraxial region.

Defining the focal length of the seventh lens L7 as f7 and the focal length of the entire imaging optical lens 10 as f, the following relation is satisfied: -2.91 ≦ f7/f ≦ 18.91. Through reasonable distribution of the optical power, the system has better imaging quality and lower sensitivity. Preferably, the following are satisfied: -1.82 ≦ f7/f ≦ 15.12.

The curvature radius of the object-side surface of the seventh lens L7 is defined as R13, the curvature radius of the image-side surface of the seventh lens L7 is defined as R14, and the following relations are satisfied: -52.20 ≦ (R13+ R14)/(R13-R14) 1.52. When the shape of the seventh lens L7 is defined and falls within the range defined by the relational expression, it is advantageous to correct the off-axis aberration and other problems as the angle of view increases. Preferably, the following are satisfied: the ratio of (R13+ R14)/(R13-R14) is less than or equal to-32.63 and less than or equal to 1.21.

Defining the on-axis thickness of the seventh lens L7 as d13, the total optical length of the imaging optical lens as TTL, and satisfying the relation: d13/TTL is more than or equal to 0.04 and less than or equal to 0.21, and ultra-thinning is facilitated. Preferably, the following are satisfied: d13/TTL is more than or equal to 0.06 and less than or equal to 0.17.

In this embodiment, the total optical length TTL of the image pickup optical lens 10 is less than or equal to 10.46 mm, which is beneficial to achieving ultra-thinning. Preferably, the total optical length TTL is less than or equal to 9.99 mm.

In the present embodiment, the imaging optical lens 10 has a large aperture and a high imaging performance, and the F number of the aperture is 2.43 or less. Preferably, the F-number of the imaging optical lens 10 is 2.39 or less.

With such a design, the total optical length TTL of the entire imaging optical lens 10 can be made as short as possible, and the characteristic of miniaturization can be maintained.

The image pickup optical lens 10 of the present invention will be explained below by way of example. The symbols described in the respective examples are as follows. The units of focal length, on-axis distance, radius of curvature, on-axis thickness, location of the inflection point, and location of the stagnation point are millimeters (mm).

TTL: the total optical length (on-axis distance from the object side surface of the first lens L1 to the image forming surface) is in units of millimeters (mm).

Preferably, the object side surface and/or the image side surface of the lens may be provided with an inflection point and/or a stagnation point to meet the requirement of high-quality imaging, and specific embodiments are described below.

Tables 1 and 2 show design data of the imaging optical lens 10 according to the first embodiment of the present invention.

[ TABLE 1 ]

Wherein each symbol has the following meaning.

S1: an aperture;

r: the radius of curvature of the optical surface and the radius of curvature of the lens as the center;

r1: the radius of curvature of the object-side surface of the first lens L1;

r2: the radius of curvature of the image-side surface of the first lens L1;

r3: the radius of curvature of the object-side surface of the second lens L2;

r4: the radius of curvature of the image-side surface of the second lens L2;

r5: the radius of curvature of the object-side surface of the third lens L3;

r6: the radius of curvature of the image-side surface of the third lens L3;

r7: the radius of curvature of the object-side surface of the fourth lens L4;

r8: the radius of curvature of the image-side surface of the fourth lens L4;

r9: a radius of curvature of the object side surface of the fifth lens L5;

r10: a radius of curvature of the image-side surface of the fifth lens L5;

r11: a radius of curvature of the object side surface of the sixth lens L6;

r12: a radius of curvature of the image-side surface of the sixth lens L6;

r13: a radius of curvature of the object side surface of the seventh lens L7;

r14: a radius of curvature of the image-side surface of the seventh lens L7;

r15: radius of curvature of the object side of the optical filter GF;

r16: the radius of curvature of the image-side surface of the optical filter GF;

d: an on-axis thickness of the lenses and an on-axis distance between the lenses;

d 0: the on-axis distance of the stop S1 to the object-side surface of the first lens L1;

d 1: the on-axis thickness of the first lens L1;

d 2: the on-axis distance from the image-side surface of the first lens L1 to the object-side surface of the second lens L2;

d 3: the on-axis thickness of the second lens L2;

d 4: the on-axis distance from the image-side surface of the second lens L2 to the object-side surface of the third lens L3;

d 5: the on-axis thickness of the third lens L3;

d 6: the on-axis distance from the image-side surface of the third lens L3 to the object-side surface of the fourth lens L4;

d 7: the on-axis thickness of the fourth lens L4;

d 8: an on-axis distance from an image-side surface of the fourth lens L4 to an object-side surface of the fifth lens L5;

d 9: the on-axis thickness of the fifth lens L5;

d 10: an on-axis distance from an image-side surface of the fifth lens L5 to an object-side surface of the sixth lens L6;

d 11: the on-axis thickness of the sixth lens L6;

d 12: an on-axis distance from the image-side surface of the sixth lens L6 to the object-side surface of the seventh lens L7;

d 13: the on-axis thickness of the seventh lens L7;

d 14: the on-axis distance from the image-side surface of the seventh lens L7 to the object-side surface of the optical filter GF;

d 15: on-axis thickness of the optical filter GF;

d 16: the axial distance from the image side surface of the optical filter GF to the image surface Si;

nd: the refractive index of the d-line;

nd 1: the refractive index of the d-line of the first lens L1;

nd 2: the refractive index of the d-line of the second lens L2;

nd 3: the refractive index of the d-line of the third lens L3;

nd 4: the refractive index of the d-line of the fourth lens L4;

nd 5: the refractive index of the d-line of the fifth lens L5;

nd 6: the refractive index of the d-line of the sixth lens L6;

nd 7: the refractive index of the d-line of the seventh lens L7;

ndg: the refractive index of the d-line of the optical filter GF;

vd: an Abbe number;

v 1: abbe number of the first lens L1;

v 2: abbe number of the second lens L2;

v 3: abbe number of the third lens L3;

v 4: abbe number of the fourth lens L4;

v 5: abbe number of the fifth lens L5;

v 6: abbe number of the sixth lens L6;

v 7: abbe number of the seventh lens L7;

vg: abbe number of the optical filter GF.

Table 2 shows aspherical surface data of each lens in the imaging optical lens 10 according to the first embodiment of the present invention.

[ TABLE 2 ]

Wherein k is a conic coefficient, and A4, A6, A8, A10, A12, A14, A16, A18, A20 are aspheric coefficients.

IH: image height

y＝(x²/R)/[1+{1-(k+1)(x²/R²)}1/2]+A4x⁴+A6x⁶+A8x⁸+A10x¹⁰+A12x¹²+A14x¹⁴+A16x¹⁶+A18x¹⁸+A20x²⁰。 (1)

For convenience, the aspherical surface of each lens surface uses the aspherical surface shown in the above formula (1). However, the present invention is not limited to the aspherical polynomial form expressed by this formula (1).

Tables 3 and 4 show the inflection point and stagnation point design data of each lens in the imaging optical lens 10 according to the first embodiment of the present invention. P1R1 and P1R2 represent the object-side surface and the image-side surface of the first lens L1, P2R1 and P2R2 represent the object-side surface and the image-side surface of the second lens L2, P3R1 and P3R2 represent the object-side surface and the image-side surface of the third lens L3, P4R1 and P4R2 represent the object-side surface and the image-side surface of the fourth lens L4, P5R1 and P5R2 represent the object-side surface and the image-side surface of the fifth lens L5, P6R1 and P6R2 represent the object-side surface and the image-side surface of the sixth lens L6, and P7R1 and P7R2 represent the object-side surface and the image-side surface of the seventh lens L7, respectively. The "inflection point position" field correspondence data is a vertical distance from an inflection point set on each lens surface to the optical axis of the imaging optical lens 10. The "stagnation point position" field corresponding data is the vertical distance from the stagnation point set on each lens surface to the optical axis of the imaging optical lens 10.

[ TABLE 3 ]

	Number of points of inflection	Position of reverse curvature 1	Position of reverse curvature 2	Position of reverse curvature 3	Position of reverse curve 4
						P1R1	1	0.755
P1R2	1	0.295
						P2R1	1	0.725
P2R2	2	0.625	0.995
						P3R1	0
P3R2	1	0.795
						P4R1	1	0.905
P4R2	3	0.165	1.005	1.125
						P5R1	4	0.185	0.435	0.645	0.925
P5R2	1	1.075
						P6R1	1	0.445
P6R2	3	0.565	1.435	1.705
						P7R1	3	0.035	1.225	1.895
P7R2	2	0.515	2.385

[ TABLE 4 ]

Fig. 2 and 3 are schematic diagrams showing axial aberrations and chromatic aberration of magnification of light having wavelengths of 650nm, 555nm, and 470nm, respectively, after passing through the imaging optical lens 10 according to the first embodiment. Fig. 4 is a schematic view showing curvature of field and distortion of light having a wavelength of 555nm after passing through the imaging optical lens 10 according to the first embodiment. In fig. 4, the field curvature S is the field curvature in the sagittal direction, and T is the field curvature in the tangential direction.

The following table 25 shows values corresponding to the parameters specified in the conditional expressions for the respective numerical values in examples 1, 2, 3, 4, 5, and 6.

As shown in table 25, the first embodiment satisfies each conditional expression.

In the present embodiment, the imaging optical lens 10 has an entrance pupil diameter of 1.684mm, a full field image height of 3.248mm, a maximum field angle of 100.21 °, and excellent optical characteristics, and the imaging optical lens 10 has a wide angle of view and a slim profile, and its on-axis and off-axis chromatic aberration is sufficiently corrected.

(second embodiment)

The second embodiment is basically the same as the first embodiment, the same reference numerals as in the first embodiment, and only different points will be described below.

Tables 5 and 6 show design data of the imaging optical lens 20 according to the second embodiment of the present invention.

[ TABLE 5 ]

Table 6 shows aspherical surface data of each lens in the image pickup optical lens 20 according to the second embodiment of the present invention.

[ TABLE 6 ]

Tables 7 and 8 show the inflection points and stagnation point design data of each lens in the imaging optical lens 20 according to the second embodiment of the present invention.

[ TABLE 7 ]

[ TABLE 8 ]

	Number of stagnation points	Location of stagnation 1	Location of stagnation 2
				P1R1	1	1.165
P1R2	0
				P2R1	0
P2R2	0
				P3R1	0
P3R2	0
				P4R1	0
P4R2	2	0.375	0.785
				P5R1	1	0.905
P5R2	2	0.905	1.055
				P6R1	1	0.505
P6R2	1	0.945
				P7R1	0
P7R2	1	1.255

Fig. 5 shows an imaging optical lens 20 according to a second embodiment of the present invention.

Fig. 6 and 7 are schematic diagrams showing axial aberrations and chromatic aberration of magnification of light having wavelengths of 650nm, 555nm, and 470nm, respectively, after passing through the imaging optical lens 20 according to the second embodiment. Fig. 8 is a schematic view showing curvature of field and distortion of light having a wavelength of 555nm after passing through the imaging optical lens 20 according to the second embodiment.

As shown in table 25, the second embodiment satisfies each conditional expression.

In the present embodiment, the imaging optical lens 20 has an entrance pupil diameter of 0.829mm, a full field image height of 3.248mm, a maximum field angle of 123.24 °, and excellent optical characteristics, and the imaging optical lens 20 has a wide angle of view and a slim profile, and its on-axis and off-axis chromatic aberration is sufficiently corrected.

(third embodiment)

The third embodiment is basically the same as the first embodiment, the same reference numerals as in the first embodiment, and only different points will be described below.

Tables 9 and 10 show design data of the imaging optical lens 30 according to the third embodiment of the present invention.

[ TABLE 9 ]

Table 10 shows aspherical surface data of each lens in the imaging optical lens 30 according to the third embodiment of the present invention.

[ TABLE 10 ]

Tables 11 and 12 show the inflection points and the stagnation point design data of each lens in the imaging optical lens 30 according to the third embodiment of the present invention.

[ TABLE 11 ]

	Number of points of inflection	Position of reverse curvature 1	Position of reverse curvature 2	Position of reverse curvature 3
					P1R1	3	0.645	3.235	4.565
P1R2	2	1.765	2.175
					P2R1	0
P2R2	0
					P3R1	0
P3R2	0
					P4R1	0
P4R2	1	0.865
					P5R1	0
P5R2	1	0.935
					P6R1	2	1.025	1.115
P6R2	1	0.555
					P7R1	2	0.725	2.225
P7R2	2	0.545	2.655

[ TABLE 12 ]

	Number of stagnation points	Location of stagnation 1
			P1R1	1	1.235
P1R2	0
			P2R1	0
P2R2	0
			P3R1	0
P3R2	0
			P4R1	0
P4R2	0
			P5R1	0
P5R2	0
			P6R1	0
P6R2	1	1.065
			P7R1	1	1.915
P7R2	1	1.725

Fig. 9 shows an imaging optical lens 30 according to a third embodiment of the present invention.

Fig. 10 and 11 are schematic diagrams showing axial aberrations and chromatic aberration of magnification of light having wavelengths of 650nm, 555nm, and 470nm, respectively, after passing through the imaging optical lens 30 according to the third embodiment. Fig. 12 is a schematic view showing curvature of field and distortion of light having a wavelength of 555nm after passing through the imaging optical lens 30 according to the third embodiment.

As shown in table 25, the third embodiment satisfies each conditional expression.

In the present embodiment, the imaging optical lens 30 has an entrance pupil diameter of 0.672mm, a full field height of 3.248mm, a maximum field angle of 134.78 °, and excellent optical characteristics, and the imaging optical lens 30 is made wide-angle and ultra-thin, and its on-axis and off-axis chromatic aberration is sufficiently corrected.

(fourth embodiment)

The fourth embodiment is basically the same as the first embodiment, and the same reference numerals as in the first embodiment, and only different points will be described below.

Tables 13 and 14 show design data of the imaging optical lens 40 according to the fourth embodiment of the present invention.

[ TABLE 13 ]

Table 14 shows aspherical surface data of each lens in the imaging optical lens 40 according to the fourth embodiment of the present invention.

[ TABLE 14 ]

Tables 15 and 16 show the inflection points and the stagnation point design data of each lens in the imaging optical lens 40 according to the fourth embodiment of the present invention.

[ TABLE 15 ]

	Number of points of inflection	Position of reverse curvature 1	Position of reverse curvature 2	Position of reverse curvature 3
					P1R1	1	0.615
P1R2	1	0.465
					P2R1	1	1.015
P2R2	1	0.875
					P3R1	0
P3R2	0
					P4R1	1	0.205
P4R2	1	0.375
					P5R1	0
P5R2	1	1.095
					P6R1	3	0.445	1.185	1.335
P6R2	2	0.675	1.085
					P7R1	1	1.535
P7R2	2	0.545	2.375

[ TABLE 16 ]

	Number of stagnation points	Location of stagnation 1
			P1R1	1	1.285
P1R2	1	0.885
			P2R1	0
P2R2	0
			P3R1	0
P3R2	0
			P4R1	1	0.375
P4R2	1	0.725
			P5R1	0
P5R2	0
			P6R1	1	0.745
P6R2	0
			P7R1	0
P7R2	1	1.095

Fig. 13 shows an imaging optical lens 40 according to a fourth embodiment of the present invention.

Fig. 14 and 15 are schematic diagrams showing axial aberrations and chromatic aberration of magnification of light having wavelengths of 650nm, 555nm, and 470nm, respectively, after passing through the imaging optical lens 40 according to the fourth embodiment. Fig. 16 is a schematic view showing curvature of field and distortion of light having a wavelength of 555nm after passing through the imaging optical lens 40 according to the fourth embodiment.

As shown in table 25, the fourth embodiment satisfies each conditional expression.

In the present embodiment, the imaging optical lens 40 has an entrance pupil diameter of 1.641mm, a full field height of 3.248mm, a maximum field angle of 100.21 °, a wide angle of view, and a slim profile, and has excellent optical characteristics in which the on-axis and off-axis chromatic aberration is sufficiently corrected.

(fifth embodiment)

The fifth embodiment is basically the same as the first embodiment, the same reference numerals as in the first embodiment, and only different points will be described below.

Tables 17 and 18 show design data of the imaging optical lens 50 according to the fifth embodiment of the present invention.

[ TABLE 17 ]

Table 18 shows aspherical surface data of each lens in the imaging optical lens 50 according to the fifth embodiment of the present invention.

[ TABLE 18 ]

Tables 19 and 20 show the inflection points and the stagnation point design data of each lens in the imaging optical lens 50 according to the fifth embodiment of the present invention.

[ TABLE 19 ]

	Number of points of inflection	Position of reverse curvature 1	Position of reverse curvature 2	Position of reverse curvature 3	Position of reverse curve 4	Position of reverse curve 5
							P1R1	1	0.805
P1R2	1	0.465
							P2R1	1	0.705
P2R2	1	0.475
							P3R1	1	0.575
P3R2	0
							P4R1	1	0.815
P4R2	3	0.135	0.225	0.915
							P5R1	5	0.205	0.265	0.615	0.675	0.935
P5R2	3	0.645	0.835	0.975
							P6R1	3	0.325	1.245	1.455
P6R2	3	0.535	1.495	1.725
							P7R1	2	1.365	1.985
P7R2	2	0.575	2.375

[ TABLE 20 ]

	Number of stagnation points	Location of stagnation 1
			P1R1	1	1.635
P1R2	1	0.825
			P2R1	1	1.025
P2R2	1	0.785
			P3R1	1	0.745
P3R2	0
			P4R1	0
P4R2	1	1.105
			P5R1	1	1.115
P5R2	1	1175
			P6R1	1	0.825
P6R2	1	1.085
			P7R1	0
P7R2	1	1.155

Fig. 17 shows an imaging optical lens 50 according to a fifth embodiment of the present invention.

Fig. 18 and 19 are schematic diagrams showing axial aberrations and chromatic aberration of magnification of light having wavelengths of 650nm, 555nm, and 470nm, respectively, after passing through the imaging optical lens 50 according to the fifth embodiment. Fig. 20 is a schematic view showing curvature of field and distortion of light having a wavelength of 555nm after passing through the imaging optical lens 50 according to the fifth embodiment.

As shown in table 25, the fifth embodiment satisfies each conditional expression.

In the present embodiment, the imaging optical lens 50 has an entrance pupil diameter of 1.466mm, a full field height of 3.248mm, a maximum field angle of 100.21 °, a wide angle of view, and a slim profile, and has excellent optical characteristics with on-axis and off-axis chromatic aberration sufficiently corrected.

(sixth embodiment)

The sixth embodiment is basically the same as the first embodiment, and the same reference numerals as in the first embodiment, and only different points will be described below.

Tables 21 and 22 show design data of the imaging optical lens 60 according to the sixth embodiment of the present invention.

[ TABLE 21 ]

Table 22 shows aspherical surface data of each lens in the imaging optical lens 60 according to the sixth embodiment of the present invention.

[ TABLE 22 ]

Tables 23 and 24 show the inflection points and stagnation point design data of each lens in the imaging optical lens 60 according to the sixth embodiment of the present invention.

[ TABLE 23 ]

	Number of points of inflection	Position of reverse curvature 1	Position of reverse curvature 2
				P1R1	1	0.515
P1R2	2	0.285	1.235
				P2R1	1	0.805
P2R2	1	0.715
				P3R1	0
P3R2	0
				P4R1	1	0.275
P4R2	1	0.415
				P5R1	2	0.665	0.785
P5R2	1	1.095
				P6R1	2	0.475	1.205
P6R2	0
				P7R1	1	1.515
P7R2	2	0.525	2.315

[ TABLE 24 ]

Fig. 21 shows an imaging optical lens 60 according to a sixth embodiment of the present invention.

Fig. 22 and 23 are schematic diagrams showing axial aberrations and chromatic aberration of magnification of light having wavelengths of 650nm, 555nm, and 470nm, respectively, after passing through the imaging optical lens 60 according to the sixth embodiment. Fig. 24 is a schematic view showing curvature of field and distortion of light having a wavelength of 555nm after passing through the imaging optical lens 60 according to the sixth embodiment.

As shown in table 25, the sixth embodiment satisfies each conditional expression.

In the present embodiment, the imaging optical lens 60 has an entrance pupil diameter of 1.503mm, a full field height of 3.248mm, a maximum field angle of 100.20 °, and a wide-angle and slim imaging optical lens 60 with excellent optical characteristics, in which the on-axis and off-axis chromatic aberration is sufficiently corrected.

[ TABLE 25 ]

Parameter and condition formula	Example 1	Example 2	Example 3	Example 4	Example 5	Example 6
							FOV	100.21	123.24	134.78	100.21	100.21	100.20
f3/f	1.01	1.11	1.13	8.00	1.01	4.00
							d1/d5	3.00	2.00	1.56	2.20	1.60	2.20
f	3.195	1.946	1.588	3.547	3.395	3.517
							f1	-9.124	-3.059	-2.881	-98.688	-17.687	-20.006
f2	20.000	7.403	17.439	272.296	6.112	587.434
							f3	3.211	2.162	1.788	28.358	3.411	14.068
f4	-5.716	-3.573	-8.005	-9.341	-5.137	-9.971
							f5	2.388	4.220	3.352	2.217	-61.968	2.268
f6	-6.063	-18.219	-2.550	-14.817	5.159	-14.074
							f7	-4.650	24.522	14.679	-4.294	-3.707	-4.250
f12	-15.563	-6.087	-3.410	-140.936	8.073	-19.372
							Fno	1.90	2.35	2.36	2.16	2.32	2.34

Where F12 is the combined focal length of the first lens L1 and the second lens L2, and Fno is the F-number of the stop of the image pickup optical lens.

It will be understood by those of ordinary skill in the art that the foregoing embodiments are specific embodiments for practicing the invention, and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in practice.

Claims

1. An imaging optical lens, comprising seven lens elements in order from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens;

the first lens element with negative refractive power, the second lens element with positive refractive power, the third lens element with positive refractive power, and the fourth lens element with negative refractive power;

the imaging optical lens has a maximum field angle FOV, a focal length f3, a focal length f6, an on-axis thickness d1, and an on-axis thickness d5, and satisfies the following relationships:

100.00°≤FOV≤135.00°；

1.00≤f3/f≤8.00；

1.55≤d1/d5≤3.00；

-18.73≤f6/f≤-1.61。

2. the imaging optical lens of claim 1, wherein the object side surface of the first lens is concave at a paraxial region;

the focal length of the first lens is f1, the curvature radius of the object side surface of the first lens is R1, the curvature radius of the image side surface of the first lens is R2, the total optical length of the image pickup optical lens is TTL, and the following relational expression is satisfied:

-55.64≤f1/f≤-1.05；

-30.47≤(R1+R2)/(R1-R2)≤1.02；0.05≤d1/TTL≤0.34。

3. the imaging optical lens according to claim 2, wherein the imaging optical lens satisfies the following relationship:

-34.77≤f1/f≤-1.31；

-19.04≤(R1+R2)/(R1-R2)≤0.81；

0.07≤d1/TTL≤0.27。

4. the imaging optical lens of claim 1, wherein the object-side surface of the second lens element is convex in the paraxial region and the image-side surface of the second lens element is concave in the paraxial region;

the focal length of the second lens is f2, the curvature radius of the object side surface of the second lens is R3, the curvature radius of the image side surface of the second lens is R4, the on-axis thickness of the second lens is d3, the total optical length of the photographic optical lens is TTL, and the following relational expression is satisfied:

0.90≤f2/f≤250.53；

-151.98≤(R3+R4)/(R3-R4)≤47.80；

0.02≤d3/TTL≤0.18。

5. the imaging optical lens according to claim 4, wherein the imaging optical lens satisfies the following relation:

1.44≤f2/f≤200.43；

-94.99≤(R3+R4)/(R3-R4)≤38.24；

0.03≤d3/TTL≤0.14。

6. the imaging optical lens of claim 1, wherein the image-side surface of the third lens element is convex at the paraxial region;

the curvature radius of the object side surface of the third lens is R5, the curvature radius of the image side surface of the third lens is R6, the total optical length of the photographic optical lens is TTL, and the following relational expression is satisfied:

-0.89≤(R5+R6)/(R5-R6)≤3.81；

0.02≤d5/TTL≤0.16。

7. the imaging optical lens according to claim 6, wherein the imaging optical lens satisfies the following relation:

-0.56≤(R5+R6)/(R5-R6)≤3.05；

0.03≤d5/TTL≤0.13。

8. the imaging optical lens of claim 1, wherein the focal length of the fourth lens element is f4, the radius of curvature of the object-side surface of the fourth lens element is R7, the radius of curvature of the image-side surface of the fourth lens element is R8, the on-axis thickness of the fourth lens element is d7, the total optical length of the imaging optical lens is TTL, and the following relationship is satisfied:

-10.08≤f4/f≤-1.01；

-4.66≤(R7+R8)/(R7-R8)≤4.69；

0.02≤d7/TTL≤0.16。

9. the image-pickup optical lens according to claim 8, wherein the image-pickup optical lens satisfies the following relation:

-6.30≤f4/f≤-1.26；

-2.91≤(R7+R8)/(R7-R8)≤3.75；

0.03≤d7/TTL≤0.13。

10. the imaging optical lens of claim 1, wherein the image-side surface of the fifth lens element is convex at the paraxial region;

the focal length of the fifth lens element is f5, the curvature radius of the object-side surface of the fifth lens element is R9, the curvature radius of the image-side surface of the fifth lens element is R10, the on-axis thickness of the fifth lens element is d9, and the total optical length of the imaging optical lens assembly is TTL and satisfies the following relation:

-36.51≤f5/f≤3.25；

-28.62≤(R9+R10)/(R9-R10)≤3.38；

0.02≤d9/TTL≤0.23。

11. the image-pickup optical lens according to claim 10, wherein the image-pickup optical lens satisfies the following relation:

-22.82≤f5/f≤2.60；

-17.89≤(R9+R10)/(R9-R10)≤2.71；

0.04≤d9/TTL≤0.18。

12. the imaging optical lens according to claim 1, wherein an image side surface of the sixth lens element is concave in a paraxial region;

the curvature radius of the object side surface of the sixth lens element is R11, the curvature radius of the image side surface of the sixth lens element is R12, the on-axis thickness of the sixth lens element is d11, and the total optical length of the imaging optical lens system is TTL and satisfies the following relational expression:

6.71≤(R11+R12)/(R11-R12)≤10.57；

0.02≤d11/TTL≤0.13。

13. the image-pickup optical lens according to claim 12, wherein the image-pickup optical lens satisfies the following relation:

-4.19≤(R11+R12)/(R11-R12)≤8.46；

0.03≤d11/TTL≤0.10。

14. the imaging optical lens according to claim 1, wherein an image side surface of the seventh lens element is concave in a paraxial direction;

the focal length of the seventh lens element is f7, the curvature radius of the object-side surface of the seventh lens element is R13, the curvature radius of the image-side surface of the seventh lens element is R14, the on-axis thickness of the seventh lens element is d13, and the total optical length of the imaging optical lens system is TTL and satisfies the following relations:

-2.91≤f7/f≤18.91；

-52.20≤(R13+R14)/(R13-R14)≤1.52；

0.04≤d13/TTL≤0.21。

15. the image-pickup optical lens according to claim 14, wherein the image-pickup optical lens satisfies the following relation:

-1.82≤f7/f≤15.12；

-32.63≤(R13+R14)/(R13-R14)≤1.21；

0.06≤d13/TTL≤0.17。

16. a camera optical lens according to claim 1, characterized in that the total optical length TTL of the camera optical lens is less than or equal to 10.46 mm.

17. A camera optical lens according to claim 16, characterized in that the total optical length TTL of the camera optical lens is less than or equal to 9.99 mm.

18. A camera optical lens according to claim 1, characterized in that the F-number of the aperture of the camera optical lens is less than or equal to 2.43.

19. A camera optical lens according to claim 18, characterized in that the F-number of the aperture of the camera optical lens is less than or equal to 2.39.