CN205318000U - Automatic camera lens of focusing combination - Google Patents

Automatic camera lens of focusing combination Download PDF

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Publication number
CN205318000U
CN205318000U CN201520931231.4U CN201520931231U CN205318000U CN 205318000 U CN205318000 U CN 205318000U CN 201520931231 U CN201520931231 U CN 201520931231U CN 205318000 U CN205318000 U CN 205318000U
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lens
liquid
cemented
autofocus
external diameter
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CN201520931231.4U
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李伟娜
鲍海江
兰喜艳
康欣欣
何飞
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Jiangxi Lianchuang Electronic Co Ltd
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Jiangxi Lianchuang Electronic Co Ltd
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Abstract

The utility model provides an automatic camera lens of focusing combination, including first positive lens, first bonding lens, the light ring, second bonding lens and second positive lens, and set up the liquid camera lens between light ring and second bonding lens, this liquid camera lens includes a left closing plate, the first electrode, second electrode and right closing plate, a formation liquid interface between conducting solution between this left side closing plate and the right closing plate body and this insulating liquid, the voltage in this first electrode and this second electrode formation electric return circuit is used for changing the shape at this liquid interface, realize the auto focus of whole camera lens, the relative both sides of this liquid camera lens are located to these first bonding lens and this second bonding lens, and constitute two gauss's structures. The utility model discloses a liquid camera lens coordinates the complemental gauss's structure of positive negative optical power, can realize the auto focus of camera lens fast, reduces the quantity of lens, obtains higher resolution quality simultaneously.

Description

Autofocus lens combines
Technical field
The utility model relates to mechanical vision inspection technology field, can autofocus lens combination in particular to one.
Background technology
In recent years, more and more leveling off to minimumization for the requirement of camera lens volume, and the sharpest edges of liquid lens group are effectively to reduce camera lens volume, the radian changing liquid side fast by controlling the voltage of liquid lens realizes the focus function of camera lens.
Existing camera lens in existing market, great majority adopt monolithic, biplate or multi-disc shape to fix the lens combination fixing with focal length and become, and manually focus realizes the change of whole lens focus, thus the desirable focal length needed for being made a video recording.
Above-mentioned camera lens of the prior art, liquid lens is comprised due to less, so the camera lens volume causing whole camera lens is bigger, in addition, can only manually focus and auto-focusing function can not be realized so that the structure of whole shooting device becomes more complicated, be unfavorable for making a video recording the miniaturization of device and lighting, so that bring discomfort when making a video recording to user, and then the demand of user can not be met.
Summary of the invention
Based on this, the purpose of this utility model be to provide a kind of structure simply can auto-focusing and have higher resolving power camera lens combination.
A kind of autofocus lens combination, comprise the first positive lens, first cemented lens, aperture, 2nd cemented lens and the 2nd positive lens, and the liquid lens being arranged between aperture and the 2nd cemented lens, this liquid lens comprises a left sealing plate, first electrode, 2nd electrode and right sealing plate, this left sealing plate and this right sealing plate are transparent panel body, it is provided with conducting liquid and insulating liquid between this left sealing plate and right sealing plate, a liquid surface is formed between this conducting liquid and this insulating liquid, this first electrode and the 2nd electrode form the voltage in an electricity loop in order to change the shape of this liquid surface, realize the auto-focusing of whole camera lens, this first cemented lens is located at the relative both sides of this liquid lens with the 2nd cemented lens, and form double gauss structure, the focal power of this first cemented lens is negative, the focal power of the 2nd cemented lens is just.
Further, this first positive lens side toward the outer side is convex lens face, towards the side of this first cemented lens be R value close to plane or plane, the thickness of this first positive lens diminishes to edge gradually from center, and edge thickness is less than the 1/2 of middle thickness.
Further, the external diameter of this first cemented lens is less than the external diameter of this first positive lens.
Further, this first cemented lens comprises the first biconvex lens towards this first positive lens, and the first biconcave lens towards this aperture, this first biconvex lens and the first biconcave lens are bonded by eyeglass tackiness agent, and the external diameter of this first biconvex lens is less than the external diameter of this first biconcave lens.
Further, this first biconvex lens comprises the first naked convex surface towards this first positive lens and the first bonding convex surface towards this first biconcave lens, and the radius-of-curvature of this first naked convex surface is less than the radius-of-curvature of this first bonding convex surface.
Further, this first biconcave lens comprises the first bonding concave surface towards this first biconvex lens, and the first naked concave surface towards this aperture, and the first bonding convex surface of this first biconvex lens overlaps with the first bonding concave surface of this first biconcave lens.
Further, the depression portion radius-of-curvature of this first biconcave lens is less than the radius-of-curvature of this first bonding concave surface, and the area in this depression portion is less than the area of this first bonding concave surface and this first naked convex surface.
Further, the external diameter of this aperture is greater than the external diameter of this first cemented lens, and is less than the external diameter of this first positive lens.
Further, the inner side of this aperture is made up of some blades, and the inner side edge of this some blade surrounds a through hole, and the size of this through hole is regulated by the rotation of this some blade, and the diameter of through hole can adjust between 0~10mm.
Further, the thickness of this liquid lens is 3-5mm, and this liquid lens is greater than 7mm to the axial distance of this first cemented lens.
Further, the axially spaced-apart of the 2nd cemented lens and this liquid lens is greater than 2mm, and the axially spaced-apart between this first cemented lens is 12-14mm.
Further, the external diameter of the 2nd cemented lens is greater than the external diameter of this liquid lens.
Further, 2nd cemented lens comprises the 2nd biconcave lens towards this liquid lens, and the 2nd biconvex lens towards the 2nd positive lens, 2nd biconcave lens and the 2nd biconvex lens are bonded by eyeglass tackiness agent, and the external diameter of the 2nd biconcave lens is greater than the external diameter of the 2nd biconvex lens.
Further, the 2nd biconcave lens comprises the 2nd naked concave surface towards this liquid lens, and the 2nd bonding concave surface towards the 2nd biconvex lens, and the radius-of-curvature of the 2nd bonding concave surface is less than the radius-of-curvature of the 2nd naked concave surface.
Further, the 2nd biconvex lens comprises the 2nd bonding convex surface and the 2nd naked convex surface towards the 2nd positive lens towards the 2nd biconcave lens, and the 2nd bonding concave surface of the 2nd biconcave lens overlaps with the 2nd bonding convex surface of the 2nd biconvex lens.
Further, the radius-of-curvature of the 2nd naked convex surface of the 2nd biconvex lens is less than the radius-of-curvature of the 2nd bonding convex surface.
Further, the 2nd positive lens is convex lens face towards the side of the 2nd cemented lens, and one side toward the outer side is plane, and the external diameter of the 2nd positive lens is greater than the external diameter of the 2nd cemented lens, and is less than the external diameter of this first cemented lens.
Further, the plane of the 2nd positive lens is towards chip photosensitive surface, and the 2nd positive lens is greater than 12mm to the distance of this chip photosensitive surface.
Further, this first cemented lens is 1~1.5 with the focal length ratio of the 2nd cemented lens.
Above-mentioned autofocus lens combines, the Gaussian structures of positive negative power complementation is coordinated owing to have employed liquid lens, therefore, it is possible to realize the auto-focus process of this camera lens fast, relatively reduce the quantity of eyeglass, reduce the volume of camera lens, improve the latitude of processing and reduce the cost of camera lens, obtain higher solution as quality simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the combination of the autofocus lens in the utility model one embodiment.
Fig. 2 is the right view of aperture during the autofocus lens in Fig. 1 combines.
Fig. 3 is the cross-sectional view of liquid lens during the autofocus lens in Fig. 1 combines.
Fig. 4 a be embodiment illustrated in fig. 1 in autofocus lens combination field curvature chart.
Fig. 4 b be embodiment illustrated in fig. 1 in autofocus lens combination distortion figure.
Fig. 4 c be embodiment illustrated in fig. 1 in autofocus lens combination longitudinal aberration diagram.
Fig. 5 be embodiment illustrated in fig. 1 in autofocus lens combination MTF figure.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully. Accompanying drawing gives first-selected embodiment of the present utility model. But, the utility model can realize in many different forms, is not limited to embodiment described herein. On the contrary, it is provided that the object of these embodiments makes to disclosure of the present utility model more thoroughly comprehensively.
It should be noted that, when element is called as " being fixedly arranged on " another element, it can directly on another element or can also there is element placed in the middle. When an element is considered as " connection " another element, it can be directly connected to another element or may there is element placed in the middle simultaneously. Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually. The term used in specification sheets of the present utility model herein is the object in order to describe specific embodiment, is not intended to be restriction the utility model. Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1, the autofocus lens combination that the utility model one embodiment provides, the first positive lens 11, first cemented lens 12, aperture 13, liquid lens 14, the 2nd cemented lens 15 and the 2nd positive lens 16 that are arranged in order is comprised from side to another side, all parts are from left to right arranged in order along optical axis direction, and about optical axis axisymmetrical.
Described first positive lens 11 is greater than the convex lens of rims of the lens for lens center thickness, and the left side of this first positive lens 11, namely side toward the outer side is convex lens face, the right side of this first positive lens 11, namely side towards this first cemented lens 12 is plane, and the thickness of this first positive lens 11 diminishes to edge gradually from center, and edge thickness is less than the 1/2 of middle thickness, this first positive lens 11 adopt specific refractory power be 1.945 transparent material make, the present embodiment is glass.
Described first cemented lens 12 is positioned at the right side of this first positive lens 11, namely the side of the plane of this first cemented lens 12 it is positioned at, this first cemented lens 12 is coaxial with this first positive lens 11, and the axially spaced-apart on the right side of this first cemented lens 12 and between the plane of this first positive lens 11 is 0.1mm, the external diameter of this first cemented lens 12 is less than the external diameter of this first positive lens 11, this first cemented lens 12 comprises first biconvex lens 121 in left side, and it is located at first biconcave lens 122 on right side, this first biconvex lens 121 and the first biconcave lens 122 are by eyeglass tackiness agent, as Optical transparent adhesive is bonded, this first biconvex lens 121 and this first biconcave lens 122 arranged in co-axial alignment, the external diameter of this first biconvex lens 121 is less than the external diameter of this first biconcave lens 122, this first biconvex lens 121 comprise the first naked convex surface 1211 towards this first positive lens 11 and relative with this first naked convex surface 1211 and towards this first biconcave lens 122 first bonding convex surface 1212, the radius-of-curvature of this first naked convex surface 1211 is less than the radius-of-curvature of this first bonding convex surface 1212.This first biconvex lens 121 adopt specific refractory power be 1.850 transparent material make, the present embodiment is glass.
This first biconcave lens 122 comprises the first bonding concave surface 1221 towards this first biconvex lens 121, and it is relative with this first bonding concave surface 1221 and towards the first naked concave surface 1222 of this aperture 13, first bonding convex surface 1212 of this first biconvex lens 121 overlaps with the first bonding concave surface 1221 of this first biconcave lens 122, the present embodiment is bonded together by optical cement, this first naked concave surface 1222 comprises the depression portion 1223 in the middle part of position, and it is positioned at the planar portions 1224 at edge, this planar portions 1224 is in annular, this depression portion 1223 is circular, and it is positioned at the center of this planar portions 1224, depression portion 1223 radius-of-curvature of this first biconcave lens 122 is less than the radius-of-curvature of this first bonding concave surface 1221, and the area in this depression portion 1223 is less than the area of this first bonding concave surface 1221 and this first naked convex surface 1211, this first biconcave lens 122 adopt specific refractory power be 1.92 transparent material make, the present embodiment is glass, the focal power of this first cemented lens 12 is negative.
Refer to Fig. 1 and Fig. 2, described aperture 13 is positioned at the right side of this first cemented lens 12, namely the side at this first biconcave lens 122 place it is positioned at, the outside of this aperture 13 is circular, the external diameter of this aperture 13 is greater than the external diameter of this first cemented lens 12, and it is less than the external diameter of this first positive lens 11, the inner side of this aperture 13 is made up of six identical blades 131, the inner side edge of these six blades 131 surrounds a hexagonal through hole 132, the size of this through hole 132 can be regulated by the rotation of these six blades 131, this enforcement Shi Lizhong, the diameter of through hole 132 can adjust between 0-10mm.
Refer to Fig. 1 and Fig. 3, described liquid lens 14 is positioned at the right side of this aperture 13, the relative both sides of this aperture 13 are laid respectively at this first cemented lens 12, this liquid lens 14 is coaxial with this aperture 13, the external diameter of this liquid lens 14 is identical with this aperture 13, thickness is 3-5mm, on the left of this liquid lens 14, axial distance on the right side of this first cemented lens 12 is greater than 7mm, this liquid lens 14 comprises left sealing plate 141, first electrode 142, 2nd electrode 143, right sealing plate 144 and enclosed housing 145, this left sealing plate 141 and this right sealing plate 144 are the transparent panel body that glass or resin are made, this first electrode 142 and the 2nd electrode 143 form an electricity loop, sealing cavity 145 is by this left sealing plate 141, this first electrode 142, 2nd electrode 143 and this right sealing plate 144 form, in round platform space shape, conducting liquid 1451 and insulating liquid 1452 it is filled with in sealing cavity 145, this conducting liquid 1451 and this insulating liquid 1452 are immiscible, thus between this conducting liquid 1451 and this insulating liquid 1452, form a liquid surface 1453, this conducting liquid 1451 and this insulating liquid 1452 are the little transparent liquid of density difference, the shape of this liquid surface 1453 can be changed by the voltage regulating this first electrode 142 and the 2nd electrode 143 to form an electricity loop, thus realize auto-focusing function.
Referring again to Fig. 1, described 2nd cemented lens 15 is positioned at the right side of this liquid lens 14,2nd cemented lens 15 is coaxial with this liquid lens 14, this aperture 13 lays respectively at the relative both sides of this liquid lens 14 with the 2nd cemented lens 15,2nd cemented lens 15 is greater than 2mm with the axially spaced-apart of this liquid lens 14, and the axially spaced-apart between on the right side of this first cemented lens 12 is 12-14mm, the external diameter of this aperture 13 of enough space mounting and this liquid lens the 14, two cemented lens 15 is had to be greater than the external diameter of this liquid lens 14 to ensure.
2nd cemented lens 15 comprise be positioned at left side, namely towards the 2nd biconcave lens 151 of this liquid lens 14 side, and it is located at right side, namely towards the 2nd biconvex lens 152 of the 2nd positive lens 16, 2nd biconcave lens 151 and the 2nd biconvex lens 152 are by eyeglass tackiness agent, as Optical transparent adhesive etc. is bonded, 2nd biconcave lens 151 and the 2nd biconvex lens 152 arranged in co-axial alignment, the external diameter of the 2nd biconcave lens 151 is greater than in the external diameter of the 2nd biconvex lens 152, 2nd biconcave lens 151 comprises the 2nd naked concave surface 1511 towards this liquid lens 14 and the 2nd bonding concave surface 1512 towards the 2nd biconvex lens 152. the radius-of-curvature of the 2nd bonding concave surface 1512 of the 2nd biconcave lens 151 is less than the radius-of-curvature of the 2nd naked concave surface 1511,2nd biconcave lens 151 adopt specific refractory power be 1.945 transparent material make, being glass mirror in this implementation column, the focal power of the 2nd cemented lens 15 is just.
2nd biconvex lens 152 comprises the 2nd bonding convex surface 1521 towards the 2nd biconcave lens 151 and the 2nd bonding concave surface 1512 of the 2nd naked convex surface the 1522, two biconcave lens 151 towards the 2nd positive lens 16 overlaps with the 2nd bonding convex surface 1521 of the 2nd biconvex lens 152. The radius-of-curvature of the naked convex surface 1522 of the 2nd of the 2nd biconvex lens 152 be less than the 2nd bonding convex surface 1521 radius-of-curvature, the 2nd biconvex lens 152 adopt specific refractory power be 1.8 transparent material make, this implementation column is glass mirror. This first cemented lens 12 forms symmetrical double gauss structure with the 2nd cemented lens 15, and this first cemented lens 12 is 1~1.5 with the focal length ratio of the 2nd cemented lens 15.
Described 2nd positive lens 16 is positioned at the right side of the 2nd cemented lens 15, it is spaced apart 9mm between 2nd positive lens 16 and the 2nd cemented lens 15, the left side of the 2nd positive lens 16, namely side towards the 2nd cemented lens 15 is convex lens face, on the right side of 2nd positive lens 16, namely one side toward the outer side is plane, the external diameter of the 2nd positive lens 16 is greater than the external diameter of the 2nd cemented lens 15, and it is less than the external diameter of this first cemented lens 12, 2nd positive lens 16 adopt specific refractory power be 1.92 transparent material make, it the present embodiment is glass mirror, the right side plan of the 2nd positive lens 16 is towards chip photosensitive surface, to ensure that key light line impinges perpendicularly on chip photosensitive surface, namely ensure that the angle of key light line ensures 0 degree substantially, 2nd positive lens 16 is greater than 12mm to the distance of chip photosensitive surface, sufficient space is had to do C bayonet socket to ensure, the right side plan of the 2nd positive lens 16 and chip photosensitive surface is made to adopt C mouth mode to be connected.
In the present embodiment, this first cemented lens 12 is f2:f4=1:-1.3 with the focal power ratio of the 2nd cemented lens 15. All glass mirror all adopt high-index material, all just/convex lens adopt high index material be 1.8 to 1.85, concavees lens in cemented lens all adopt more high refractive index to be material, 1.94 can be reached, the distribution of this kind high low-refraction can better improve resolving power, reaches the requirement of 5 mega pixels.
The present embodiment, under following optical index, draws the field curvature chart in Fig. 4 a, the distortion figure in Fig. 4 b, the longitudinal aberration diagram in Fig. 4 c, and the MTF figure in Fig. 5:
(1) focal length: f=25mm;
(2) relative aperture D/F=1/2.7~1/4;
(3) effective image planes >=Ф 11mm;
(4) the COMS pick up camera of corresponding 5M
(6) adopt C bayonet socket to be connected with pick up camera;
From Fig. 4 to Fig. 5 it may be seen that the present embodiment has less aberration and higher resolving power, figure image distortion: < 0.2%.
To sum up, in the utility model above-described embodiment, specific refractory power distribution between all lens can better improve the resolving power of whole camera lens, this camera lens contains double gauss structure in combining, be conducive to eliminating intelligent difference, distortion and multiplying power aberration, there is the well-to-do degree of good tolerance, coordinate liquid lens 14, the shape of this liquid surface 1453 can be changed by the voltage regulating the first electrode 142 and the 2nd electrode 143 in this liquid lens 14 to be formed electricity loop, really achieve the auto-focusing function of camera lens, not only solve the focusing problem of camera lens of the prior art, and relatively reduce the use of the quantity of eyeglass, reduce the volume of camera lens and reduce the cost of camera lens, in addition Gaussian structures with the use of positive negative power complementation is conducive to aberration correction, obtain higher solution as quality, thus promote the experience effect of user.
The above embodiment only have expressed several enforcement mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model patent scope. , it is also possible to make some distortion and improvement, it should be appreciated that for the person of ordinary skill of the art, without departing from the concept of the premise utility these all belong to protection domain of the present utility model. Therefore, the protection domain of the utility model patent should be as the criterion with claims.

Claims (19)

1. an autofocus lens combination, comprise the first positive lens, first cemented lens, aperture, 2nd cemented lens and the 2nd positive lens, it is characterized in that: comprise a liquid lens being arranged between aperture and the 2nd cemented lens further, this liquid lens comprises a left sealing plate, first electrode, 2nd electrode and right sealing plate, this left sealing plate and this right sealing plate are transparent panel body, it is provided with conducting liquid and insulating liquid between this left sealing plate and right sealing plate, a liquid surface is formed between this conducting liquid and this insulating liquid, this first electrode and the 2nd electrode form the voltage in an electricity loop in order to change the shape of this liquid surface, realize the auto-focusing of whole camera lens, this first cemented lens is located at the relative both sides of this liquid lens with the 2nd cemented lens, and form double gauss structure, the focal power of this first cemented lens is negative, the focal power of the 2nd cemented lens is just.
2. autofocus lens according to claim 1 combination, it is characterized in that, this first positive lens side toward the outer side is convex lens face, it is that R value is close to plane or plane towards the side of this first cemented lens, the thickness of this first positive lens diminishes to edge gradually from center, and edge thickness is less than the 1/2 of middle thickness.
3. autofocus lens according to claim 1 combination, it is characterised in that, the external diameter of this first cemented lens is less than the external diameter of this first positive lens.
4. according to claim 1 or 3 autofocus lens combination, it is characterized in that, this first cemented lens comprises the first biconvex lens towards this first positive lens, and the first biconcave lens towards this aperture, this first biconvex lens and the first biconcave lens are bonded by eyeglass tackiness agent, and the external diameter of this first biconvex lens is less than the external diameter of this first biconcave lens.
5. autofocus lens according to claim 4 combination, it is characterized in that, this first biconvex lens comprises the first naked convex surface towards this first positive lens and the first bonding convex surface towards this first biconcave lens, and the radius-of-curvature of this first naked convex surface is less than the radius-of-curvature of this first bonding convex surface.
6. autofocus lens according to claim 5 combination, it is characterized in that, this first biconcave lens comprises the first bonding concave surface towards this first biconvex lens, and the first naked concave surface towards this aperture, the first bonding convex surface of this first biconvex lens overlaps with the first bonding concave surface of this first biconcave lens.
7. autofocus lens according to claim 6 combination, it is characterized in that, the depression portion radius-of-curvature of this first biconcave lens is less than the radius-of-curvature of this first bonding concave surface, and the area in this depression portion is less than the area of this first bonding concave surface and this first naked convex surface.
8. autofocus lens according to claim 1 combination, it is characterised in that, the external diameter of this aperture is greater than the external diameter of this first cemented lens, and is less than the external diameter of this first positive lens.
9. autofocus lens according to claim 8 combination, it is characterized in that, the inner side of this aperture is made up of some blades, the inner side edge of this some blade surrounds a through hole, the size of this through hole is regulated by the rotation of this some blade, and the diameter of through hole can adjust between 0~10mm.
10. autofocus lens according to claim 1 combination, it is characterised in that, the thickness of this liquid lens is 3-5mm, and this liquid lens is greater than 7mm to the axial distance of this first cemented lens.
11. autofocus lens according to claim 1 combinations, it is characterised in that, the axially spaced-apart of the 2nd cemented lens and this liquid lens is greater than 2mm, and the axially spaced-apart between this first cemented lens is 12-14mm.
12. autofocus lens according to claim 1 combinations, it is characterised in that, the external diameter of the 2nd cemented lens is greater than the external diameter of this liquid lens.
The 13. autofocus lens combinations according to claim 1 or 12, it is characterized in that, 2nd cemented lens comprises the 2nd biconcave lens towards this liquid lens, and the 2nd biconvex lens towards the 2nd positive lens, 2nd biconcave lens and the 2nd biconvex lens are bonded by eyeglass tackiness agent, and the external diameter of the 2nd biconcave lens is greater than the external diameter of the 2nd biconvex lens.
14. autofocus lens according to claim 13 combinations, it is characterized in that, 2nd biconcave lens comprises the 2nd naked concave surface towards this liquid lens, and the 2nd bonding concave surface towards the 2nd biconvex lens, the radius-of-curvature of the 2nd bonding concave surface is less than the radius-of-curvature of the 2nd naked concave surface.
15. autofocus lens according to claim 14 combinations, it is characterized in that, 2nd biconvex lens comprises the 2nd bonding convex surface and the 2nd naked convex surface towards the 2nd positive lens towards the 2nd biconcave lens, and the 2nd bonding concave surface of the 2nd biconcave lens overlaps with the 2nd bonding convex surface of the 2nd biconvex lens.
16. autofocus lens according to claim 15 combinations, it is characterised in that, the radius-of-curvature of the 2nd naked convex surface of the 2nd biconvex lens is less than the radius-of-curvature of the 2nd bonding convex surface.
17. autofocus lens according to claim 1 combinations, it is characterized in that, 2nd positive lens is convex lens face towards the side of the 2nd cemented lens, one side toward the outer side is plane, the external diameter of the 2nd positive lens is greater than the external diameter of the 2nd cemented lens, and is less than the external diameter of this first cemented lens.
18. autofocus lens according to claim 17 combinations, it is characterised in that, the plane of the 2nd positive lens is towards chip photosensitive surface, and the 2nd positive lens is greater than 12mm to the distance of this chip photosensitive surface.
19. autofocus lens according to claim 1 combinations, it is characterised in that, this first cemented lens is 1~1.5 with the focal length ratio of the 2nd cemented lens.
CN201520931231.4U 2015-11-19 2015-11-19 Automatic camera lens of focusing combination Active CN205318000U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105319665A (en) * 2015-11-19 2016-02-10 江西联创电子有限公司 Automatic focusing lens combination
CN110402414A (en) * 2017-03-10 2019-11-01 Lg伊诺特有限公司 Liquid lens, camera model and the optical instrument including camera model
CN113534409A (en) * 2021-06-30 2021-10-22 江西晶超光学有限公司 Zoom optical system, image capturing module and electronic equipment
WO2023179607A1 (en) * 2022-03-23 2023-09-28 华为技术有限公司 Optical lens, camera module and electronic device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105319665A (en) * 2015-11-19 2016-02-10 江西联创电子有限公司 Automatic focusing lens combination
CN105319665B (en) * 2015-11-19 2018-06-15 江西联创电子有限公司 Autofocus lens combine
CN110402414A (en) * 2017-03-10 2019-11-01 Lg伊诺特有限公司 Liquid lens, camera model and the optical instrument including camera model
CN110402414B (en) * 2017-03-10 2022-04-05 Lg伊诺特有限公司 Liquid lens, camera module and optical instrument including camera module
US11314036B2 (en) 2017-03-10 2022-04-26 Lg Innotek Co., Ltd. Liquid lens, and camera module and optical instrument including same
CN113534409A (en) * 2021-06-30 2021-10-22 江西晶超光学有限公司 Zoom optical system, image capturing module and electronic equipment
CN113534409B (en) * 2021-06-30 2022-05-13 江西晶超光学有限公司 Zoom optical system, image capturing module and electronic equipment
WO2023179607A1 (en) * 2022-03-23 2023-09-28 华为技术有限公司 Optical lens, camera module and electronic device

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