CN114200637B - Wide-angle lens - Google Patents

Wide-angle lens Download PDF

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CN114200637B
CN114200637B CN202010977143.3A CN202010977143A CN114200637B CN 114200637 B CN114200637 B CN 114200637B CN 202010977143 A CN202010977143 A CN 202010977143A CN 114200637 B CN114200637 B CN 114200637B
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lens
wide
surface facing
refractive power
object side
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CN114200637A (en
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张安凯
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Sintai Optical Shenzhen Co Ltd
Asia Optical Co Inc
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Sintai Optical Shenzhen Co Ltd
Asia Optical Co Inc
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/001Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/06Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/18Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration

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  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lenses (AREA)

Abstract

A wide-angle lens includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The first lens has negative refractive power and comprises a convex surface facing the object side and a concave surface facing the image side. The second lens has positive refractive power and comprises a concave surface facing the object side and a convex surface facing the image side. The third lens has positive refractive power and comprises a convex surface facing the object side. The fourth lens is a biconvex lens with positive refractive power and comprises a convex surface facing the object side and another convex surface facing the image side. The fifth lens is a biconcave lens with negative refractive power and comprises a concave surface facing the object side and another concave surface facing the image side. The sixth lens has refractive power and comprises a convex surface facing the object side and a concave surface facing the image side. The first, second, third, fourth, fifth and sixth lenses are arranged in order from the object side to the image side along the optical axis.

Description

Wide-angle lens
Technical Field
The invention relates to a wide-angle lens.
Background
In addition to the continuous development of large aperture, the present wide-angle lens has to have high resolution and environmental temperature resistance, and the known wide-angle lens cannot meet the present requirements, and needs to have a new structure to meet the requirements of large aperture, high resolution and environmental temperature resistance.
Disclosure of Invention
The present invention is directed to solving the above-mentioned problems of the prior art, and provides a wide-angle lens with smaller aperture value, higher resolution, and resistance to environmental temperature changes, but still having good optical performance.
The invention provides a wide-angle lens which comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The first lens is a meniscus lens with negative refractive power and comprises a convex surface facing the object side and a concave surface facing the image side. The second lens is a meniscus lens with positive refractive power and comprises a concave surface facing the object side and a convex surface facing the image side. The third lens has positive refractive power and comprises a convex surface facing the object side. The fourth lens is a biconvex lens and has positive refractive power, and comprises a convex surface facing the object side and another convex surface facing the image side. The fifth lens is a biconcave lens with negative refractive power and comprises a concave surface facing the object side and another concave surface facing the image side. The sixth lens is a meniscus lens with refractive power and comprises a convex surface facing the object side and a concave surface facing the image side. The first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are sequentially arranged from an object side to an image side along an optical axis.
The invention provides another wide-angle lens which comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The first lens has a negative refractive power. The second lens has positive refractive power. The third lens has positive refractive power and comprises a convex surface facing the object side. The fourth lens has positive refractive power. The fifth lens has negative refractive power and comprises a concave surface facing the image side. The sixth lens has refractive power and comprises a concave surface facing the image side. The first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are sequentially arranged from an object side to an image side along an optical axis. The wide-angle lens satisfies the following conditions: f is 1.9 < f 3 F is less than 2.3; wherein f 3 And f is the effective focal length of the wide-angle lens.
Wherein the sixth lens has a negative refractive power.
The third lens element may further comprise a concave surface facing the image side.
Wherein the third lens may further comprise another convex surface facing the image side.
The sixth lens has negative refractive power, and the third lens may further include another convex surface facing the image side.
The wide-angle lens of the present invention may further comprise an aperture stop disposed between the third lens and the fourth lens.
Wherein the wide-angle lens satisfies the following conditions: f is 1.9 < f 3 F is less than 2.3; wherein f 3 And f is the effective focal length of the wide-angle lens.
Wherein the wide-angle lens satisfies the following conditions: CTE3 20×10 -6 a/DEG C; wherein CTE3 is the temperature of the third lens at-30deg.C to 70deg.CCoefficient of thermal expansion (Coefficient of Thermal Expansion).
Wherein the wide-angle lens satisfies the following conditions: TTL/IH is more than 2.1 and less than 2.8; wherein, TTL is the distance between the object side surface of the first lens and the imaging surface on the optical axis, IH is the maximum half image height of the wide-angle lens on the imaging surface.
Wherein the wide-angle lens satisfies the following conditions: gap16/TTL is more than 0.3 and less than 0.4; the Gap16 is the sum of air intervals from the image side surface of the first lens element to the object side surface of the sixth lens element on the optical axis, and the TTL is the distance from the object side surface of the first lens element to the image plane on the optical axis.
The wide-angle lens has the advantages of smaller aperture value, higher resolution and environmental temperature change resistance, but still has good optical performance.
Drawings
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Fig. 1 is a schematic view of a lens configuration of a first embodiment of a wide-angle lens according to the present invention.
Fig. 2A is a longitudinal aberration (Longitudinal Aberration) diagram of the first embodiment of the wide-angle lens according to the present invention.
FIG. 2B is a Field Curvature (Field) diagram of a first embodiment of a wide angle lens according to the present invention.
Fig. 2C is a Distortion (displacement) diagram of a first embodiment of a wide-angle lens according to the present invention.
Fig. 3 is a lens configuration diagram of a second embodiment of a wide-angle lens according to the present invention.
Fig. 4A is a longitudinal aberration diagram of a second embodiment of a wide-angle lens according to the present invention.
Fig. 4B is a field curvature diagram of a second embodiment of a wide-angle lens according to the present invention.
Fig. 4C is a distortion chart of a second embodiment of the wide-angle lens according to the present invention.
Fig. 5 is a lens configuration diagram of a third embodiment of a wide-angle lens according to the present invention.
Fig. 6A is a longitudinal aberration diagram of a third embodiment of a wide-angle lens according to the present invention.
Fig. 6B is a field curvature diagram of a third embodiment of a wide-angle lens according to the present invention.
Fig. 6C is a distortion chart of a third embodiment of a wide-angle lens according to the present invention.
Detailed Description
The present invention provides a wide-angle lens, comprising: the first lens has negative refractive power, is a meniscus lens and comprises a convex surface facing the object side and a concave surface facing the image side; the second lens has positive refractive power, is a meniscus lens and comprises a concave surface facing the object side and a convex surface facing the image side; the third lens has positive refractive power, and the third lens comprises a convex surface facing the object side; the fourth lens has positive refractive power, is a biconvex lens and comprises a convex surface facing the object side and another convex surface facing the image side; the fifth lens has negative refractive power, is a biconcave lens and comprises a concave surface facing the object side and another concave surface facing the image side; the sixth lens is a meniscus lens and comprises a convex surface facing the object side and a concave surface facing the image side; the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are sequentially arranged from an object side to an image side along an optical axis.
Please refer to the following table one, table two, table four, table five, table seven and table eight, wherein table one, table four and table seven are related parameter tables of each lens of the first embodiment to the third embodiment of the wide-angle lens according to the present invention, and table two, table five and table eight are related parameter tables of the aspherical surface of the aspherical lens in table one, table four and table seven, respectively.
Fig. 1, 3 and 5 are schematic lens arrangements of a first embodiment, a second embodiment and a third embodiment of the wide-angle lens assembly of the present invention, wherein the first lens elements L11, L21 and L31 are meniscus lenses with negative refractive power, the object-side surfaces S11, S21 and S31 are convex surfaces, the image-side surfaces S12, S22 and S32 are concave surfaces, and the object-side surfaces S11, S21 and S31 and the image-side surfaces S12, S22 and S32 are aspheric surfaces.
The second lenses L12, L22, L32 have positive refractive power, the object-side surfaces S13, S23, S33 are concave surfaces, the image-side surfaces S14, S24, S34 are convex surfaces, and the object-side surfaces S13, S23, S33 and the image-side surfaces S14, S24, S34 are aspheric surfaces.
The third lenses L13, L23, L33 have positive refractive power, and the object-side surfaces S15, S25, S35 are convex, and the object-side surfaces S15, S25, S35 and the image-side surfaces S16, S26, S36 are aspheric surfaces.
The fourth lenses L14, L24, L34 are biconvex lenses having positive refractive power, the object-side surfaces S18, S28, S38 are convex surfaces, the image-side surfaces S19, S29, S39 are convex surfaces, and the object-side surfaces S18, S28, S38 and the image-side surfaces S19, S29, S39 are aspheric surfaces.
The fifth lenses L15, L25, L35 are biconcave lenses having negative refractive power, the object-side surfaces S110, S210, S310 are concave surfaces, the image-side surfaces S111, S211, S311 are concave surfaces, and the object-side surfaces S110, S210, S310 and the image-side surfaces S111, S211, S311 are aspheric surfaces.
The sixth lenses L16, L26, L36 are meniscus lenses, the object-side surfaces S112, S212, S312 are convex surfaces, the image-side surfaces S113, S213, S313 are concave surfaces, and the object-side surfaces S112, S212, S312 and the image-side surfaces S113, S213, S313 are aspheric surfaces.
In addition, the wide- angle lenses 1, 2, 3 satisfy at least one of the following conditions:
1.9<f 3 /f<2.3 (1)
CTE3>20×10 -6 /℃ (2)
2.1<TTL/IH<2.8 (3)
0.3<Gap16/TTL<0.4 (4)
wherein f 3 In the first to third embodiments, the effective focal length of the third lenses L13, L23, L33, f is the effective focal length of the wide- angle lenses 1, 2, 3, CTE3 is the thermal expansion coefficient of the third lenses L13, L23, L33 at a temperature of-30 ℃ to 70 ℃ in the first to third embodiments, TTL is the distances between the object sides S11, S21, S31 of the first lenses L11, L21, L31 to the imaging surfaces IMA1, IMA2, IMA3 on the optical axes OA1, OA2, OA3, IH is the firstIn the embodiments to the third embodiment, the wide- angle lenses 1, 2, 3 respectively have the maximum half image heights of the imaging surfaces IMA1, IMA2, IMA3, and Gap16 is the sum of the air intervals from the image sides S12, S22, S32 of the first lenses L11, L21, L31 to the object sides S112, S212, S312 of the sixth lenses L16, L26, L36 on the optical axes OA1, OA2, OA3, respectively. The wide- angle lenses 1, 2 and 3 can effectively shorten the total length of the lenses, effectively reduce the aperture value, effectively improve the resolution, effectively resist the change of the ambient temperature, effectively correct the aberration and effectively correct the chromatic aberration.
When the condition (1) is satisfied: f is 1.9 < f 3 When/f is less than 2.3, the method can effectively resist environmental temperature change and maintain high resolution characteristic.
When the condition (2) is satisfied: CTE3 > 20X 10 -6 At the temperature of/°c, the method can effectively resist environmental temperature change and maintain high resolution characteristic.
When the condition (3) is satisfied: when TTL/IH is smaller than 2.1 and smaller than 2.8, the total length of the wide-angle lens can be effectively shortened.
When the condition (4) is satisfied: when the Gap16/TTL is more than 0.3 and less than 0.4, the total length of the wide-angle lens can be effectively shortened.
A first embodiment of the wide-angle lens of the present invention will now be described in detail. Referring to fig. 1, the wide-angle lens 1 includes, in order from an object side to an image side along an optical axis OA1, a first lens L11, a second lens L12, a third lens L13, an aperture stop ST1, a fourth lens L14, a fifth lens L15, a sixth lens L16, and an optical filter OF1. In imaging, light from the object side is finally imaged on the imaging plane IMA 1. According to the first to eighth paragraphs [ detailed description ], wherein:
the third lens L13 is a meniscus lens, and the image-side surface S16 thereof is a concave surface;
the sixth lens L16 has a negative refractive power;
the object side surface S114 and the image side surface S115 OF the optical filter OF1 are both plane surfaces;
by utilizing the lens, the aperture ST1 and the design at least meeting one of the conditions (1) to (4), the wide-angle lens 1 can effectively shorten the total length of the lens, effectively reduce the aperture value, effectively improve the resolution, effectively resist the change of the ambient temperature, effectively correct the aberration and effectively correct the chromatic aberration.
Table one is a table of relevant parameters of each lens of the wide-angle lens 1 in fig. 1.
List one
Figure GDA0004215060780000051
Figure GDA0004215060780000061
The aspherical surface dishing degree z of the aspherical lens in table one is obtained by the following formula:
z=ch 2 /{1+[1-(k+1)c 2 h 2 ] 1/2 }+Ah 4 +Bh 6 +Ch 8 +Dh 10 +Eh 12 +Fh 14
wherein:
c: curvature;
h: a vertical distance from any point of the lens surface to the optical axis;
k: a conic coefficient;
A-F: aspheric coefficients.
Table two is a table of related parameters of the aspherical surface of the aspherical lens in table one, where k is a Conic Constant and a to F are aspherical coefficients.
Watch II
Figure GDA0004215060780000062
Figure GDA0004215060780000071
Table three shows the relevant parameter values of the wide-angle lens 1 of the first embodiment and the calculated values corresponding to the conditions (1) to (4), and it is known from the table three that the wide-angle lens 1 of the first embodiment can meet the requirements of the conditions (1) to (4).
Watch III
TCE3 7.5×10 -6 /℃ IH 3.91mm Gap16 3.27mm
f 3 /f 2.11 TTL/IH 2.55 Gap16/TTL 0.33
In addition, the optical performance of the wide-angle lens 1 of the first embodiment can also meet the requirements,
as can be seen from fig. 2A, the wide-angle lens 1 of the first embodiment has a longitudinal aberration of between-0.025 mm and 0.035 mm. As can be seen from fig. 2B, the wide-angle lens 1 of the first embodiment has a curvature of field of between-0.04 mm and 0.06 mm. As can be seen from fig. 2C, the wide-angle lens 1 of the first embodiment has a distortion between-50% and 0%.
It is apparent that the longitudinal aberration, curvature of field, and distortion of the wide-angle lens 1 of the first embodiment can be effectively corrected, resulting in better optical performance.
Referring to fig. 3, fig. 3 is a schematic view of a lens configuration of a second embodiment of a wide-angle lens according to the present invention. The wide-angle lens 2 includes, in order from an object side to an image side along an optical axis OA2, a first lens L21, a second lens L22, a third lens L23, an aperture stop ST2, a fourth lens L24, a fifth lens L25, a sixth lens L26, and an optical filter OF2. In imaging, light from the object side is finally imaged on the imaging plane IMA 2. According to the first to eighth paragraphs [ detailed description ], wherein:
the third lens L23 is a biconvex lens, and the image side surface S26 thereof is a convex surface;
the sixth lens L26 has a negative refractive power;
the object side surface S214 and the image side surface S215 OF the optical filter OF2 are both plane surfaces;
by utilizing the lens, the aperture ST2 and the design at least meeting one of the conditions (1) to (4), the wide-angle lens 2 can effectively shorten the total length of the lens, effectively reduce the aperture value, effectively improve the resolution, effectively resist the change of the ambient temperature, effectively correct the aberration and effectively correct the chromatic aberration.
Table four is a table of relevant parameters for each lens of the wide-angle lens 2 in fig. 3.
Table four
Figure GDA0004215060780000081
The definition of the aspherical surface dishing z of the aspherical lens in table four is the same as that of the aspherical lens in the first embodiment, and is not described here.
Table five is a table of related parameters of the aspherical surface of the aspherical lens in table four, where k is a Conic Constant and a to F are aspherical coefficients.
TABLE five
Figure GDA0004215060780000082
Figure GDA0004215060780000091
Table six shows the relevant parameter values of the wide-angle lens 2 of the second embodiment and the calculated values corresponding to the conditions (1) to (4), and it is known from the table six that the wide-angle lens 2 of the second embodiment can meet the requirements of the conditions (1) to (4).
TABLE six
TCE3 7.5×10 -6 /℃ IH 3.91mm Gap16 3.45mm
f 3 /f 1.99 TTL/IH 2.40 Gap16/TTL 0.37
In addition, the optical performance of the wide-angle lens 2 of the second embodiment can also meet the requirement, and as can be seen from fig. 4A, the longitudinal aberration of the wide-angle lens 2 of the second embodiment is between-0.06 mm and 0.12 mm. As can be seen from fig. 4B, the wide-angle lens 2 of the second embodiment has a curvature of field between-0.6 mm and 0.1 mm. As can be seen from fig. 4C, the wide-angle lens 2 of the second embodiment has a distortion between-60% and 0%.
It is apparent that the longitudinal aberration, curvature of field, and distortion of the wide-angle lens 2 of the second embodiment can be effectively corrected, resulting in better optical performance.
Referring to fig. 5, fig. 5 is a schematic view of a lens configuration of a third embodiment of a wide-angle lens according to the present invention. The wide-angle lens 3 includes, in order from an object side to an image side along an optical axis OA3, a first lens L31, a second lens L32, a third lens L33, an aperture stop ST3, a fourth lens L34, a fifth lens L35, a sixth lens L36, and an optical filter OF3. In imaging, light from the object side is finally imaged on the imaging plane IMA 3. According to the first to eighth paragraphs [ detailed description ], wherein:
the third lens L33 is a biconvex lens, and the image side surface S36 thereof is a convex surface;
the sixth lens L36 has a negative refractive power;
the object side surface S314 and the image side surface S315 OF the optical filter OF3 are plane surfaces;
by utilizing the lens, the aperture ST3 and the design at least meeting one of the conditions (1) to (4), the wide-angle lens 3 can effectively shorten the total length of the lens, effectively reduce the aperture value, effectively improve the resolution, effectively resist the change of the ambient temperature, effectively correct the aberration and effectively correct the chromatic aberration.
Table seven is a table of relevant parameters for each lens of the wide-angle lens 3 in fig. 5.
Watch seven
Figure GDA0004215060780000101
The definition of the aspherical surface dishing z of the aspherical lens in table seven is the same as that of the aspherical lens in the first embodiment, and is not described here.
Table eight is a table of parameters related to the aspherical surface of the aspherical lens in table seven, where k is a Conic Constant and a to F are aspherical coefficients.
Table eight
Figure GDA0004215060780000102
Figure GDA0004215060780000111
Table nine is the values of the parameters related to the wide-angle lens 3 of the third embodiment and the calculated values corresponding to the conditions (1) to (4), and it is clear from table nine that the wide-angle lens 3 of the third embodiment can meet the requirements of the conditions (1) to (4).
Table nine
TCE3 8.7×10 -6 /℃ IH 4.20mm Gap16 2.99mm
f 3 /f 1.77 TTL/IH 2.14 Gap16/TTL 0.33
In addition, the optical performance of the wide-angle lens 3 of the third embodiment can also meet the requirement, and as can be seen from fig. 6A, the longitudinal aberration of the wide-angle lens 3 of the third embodiment is between-0.035 mm and 0.015 mm. As can be seen from fig. 6B, the wide-angle lens 3 of the third embodiment has a curvature of field between-0.1 mm and 0.25 mm. As can be seen from fig. 6C, the wide-angle lens 3 of the third embodiment has a distortion between-60% and 0%.
It is apparent that the longitudinal aberration, curvature of field, and distortion of the wide-angle lens 3 of the third embodiment can be effectively corrected, resulting in better optical performance.
While the present invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is defined by the appended claims.

Claims (8)

1. The wide-angle lens is characterized in that six lenses with refractive power from an object side to an image side are arranged in sequence:
the first lens has negative refractive power, is a meniscus lens and comprises a convex surface facing the object side and a concave surface facing the image side;
the second lens has positive refractive power, is a meniscus lens and comprises a concave surface facing the object side and a convex surface facing the image side;
the third lens has positive refractive power and comprises a convex surface facing the object side;
the fourth lens is a biconvex lens and comprises a convex surface facing the object side and another convex surface facing the image side;
the fifth lens is a biconcave lens and comprises a concave surface facing the object side and another concave surface facing the image side; and
the sixth lens has negative refractive power, is a meniscus lens and comprises a convex surface facing the object side and a concave surface facing the image side;
the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element are arranged in order from the object side to the image side along an optical axis;
the wide angle lens satisfies at least one of the following conditions:
2.1<TTL/IH<2.8;
0.3<Gap16/TTL<0.4;
wherein TTL is the distance from the object side surface of the first lens element to the image plane on the optical axis, IH is the maximum half image height of the wide-angle lens element on the image plane, and Gap16 is the sum of air spaces from the image side surface of the first lens element to the object side surface of the sixth lens element on the optical axis.
2. The wide-angle lens is characterized in that six lenses with refractive power from an object side to an image side are arranged in sequence:
the first lens has a negative refractive power;
the second lens has a positive refractive power;
the third lens has positive refractive power and comprises a convex surface facing the object side;
the fourth lens has positive refractive power;
the fifth lens has negative refractive power and comprises a concave surface facing the image side; and
the sixth lens has negative refractive power, and the sixth lens comprises a concave surface facing the image side;
the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element and the sixth lens element are arranged in order from the object side to the image side along an optical axis;
wherein the wide angle lens satisfies the following conditions:
1.9<f 3 /f<2.3;
wherein f 3 And f is the effective focal length of the wide-angle lens.
3. The wide-angle lens as set forth in any one of claims 1 to 2, wherein the third lens further comprises a concave surface facing the image side.
4. The wide-angle lens as set forth in any one of claims 1 to 2, wherein the third lens further comprises another convex surface facing the image side.
5. The wide-angle lens of any one of claims 1 to 2, further comprising an aperture stop disposed between the third lens and the fourth lens.
6. The wide-angle lens as set forth in any one of claims 1 to 2, wherein the wide-angle lens satisfies the following condition:
CTE3>20×10 -6 /℃;
wherein CTE3 is the coefficient of thermal expansion of the third lens at a temperature of between-30 ℃ and 70 ℃.
7. The wide-angle lens of claim 2, wherein the wide-angle lens satisfies the following condition:
2.1<TTL/IH<2.8;
0.3<Gap16/TTL<0.4;
wherein TTL is the distance from the object side surface of the first lens element to the image plane on the optical axis, IH is the maximum half image height of the wide-angle lens element on the image plane, and Gap16 is the sum of air spaces from the image side surface of the first lens element to the object side surface of the sixth lens element on the optical axis.
8. The wide-angle lens of claim 1, wherein the wide-angle lens satisfies the following condition:
1.9<f 3 /f<2.3;
wherein f 3 And f is the effective focal length of the wide-angle lens.
CN202010977143.3A 2020-09-17 2020-09-17 Wide-angle lens Active CN114200637B (en)

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KR100882621B1 (en) * 2006-11-22 2009-02-06 엘지이노텍 주식회사 Zoom lens
TWI616679B (en) * 2013-05-28 2018-03-01 Sony Corp Camera lens, camera module and camera
TWI533021B (en) * 2015-04-02 2016-05-11 大立光電股份有限公司 Optical lens, image capturing device and electronic device
CN205720846U (en) * 2016-05-25 2016-11-23 浙江舜宇光学有限公司 Wide-angle image camera lens
CN106443969B (en) * 2016-10-12 2019-04-19 浙江舜宇光学有限公司 TV camera len of ultra wide-angle

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