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Camera lens

A camera lens and lens technology, applied in the field of camera lens, can solve the problem that the optical system cannot take into account high pixel, large aperture and small size at the same time

Active Publication Date: 2018-09-28
ZHEJIANG SUNNY OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the conventional optical system can no longer meet the requirements of high pixelation, large aperture and small size at the same time

Method used

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  • Camera lens
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0087] Refer to the following Figures 1 to 2E The imaging lens according to Embodiment 1 of the present application is described. figure 1 A schematic structural diagram of the imaging lens according to Embodiment 1 of the present application is shown.

[0088] like figure 1 As shown, the imaging lens according to the exemplary embodiment of the present application includes sequentially from the object side to the image side along the optical axis: a first lens L1, a second lens L2, a third lens L3, a diaphragm STO, a fourth lens L4, The fifth lens L5, the sixth lens L6, the seventh lens L7, the eighth lens L8, the filter L9, and the imaging surface S19.

[0089] The first lens L1 has positive refractive power, the object side S1 is convex, and the image side S2 is concave. The second lens L2 has positive refractive power, the object side S3 is convex, and the image side S4 is convex. The third lens L3 has positive refractive power, the object side S5 is concave, and the ...

Embodiment 2

[0120] Refer to the following Figures 3 to 4E The imaging lens according to Embodiment 2 of the present application is described. In this embodiment and the following embodiments, descriptions similar to those in Embodiment 1 will be omitted for the sake of brevity. image 3 A schematic structural diagram of the imaging lens according to Embodiment 2 of the present application is shown.

[0121] like image 3 As shown, the imaging lens according to the exemplary embodiment of the present application includes sequentially from the object side to the image side along the optical axis: a first lens L1, a second lens L2, a third lens L3, a diaphragm STO, a fourth lens L4, The fifth lens L5, the sixth lens L6, the seventh lens L7, the eighth lens L8, the filter L9, and the imaging surface S19.

[0122] The first lens L1 has positive refractive power, the object side S1 is convex, and the image side S2 is concave. The second lens L2 has positive refractive power, the object sid...

Embodiment 3

[0134] Refer to the following Figures 5 to 6E The imaging lens according to Embodiment 3 of the present application is described. Figure 5 A schematic structural diagram of the imaging lens according to Embodiment 3 of the present application is shown.

[0135] like Figure 5 As shown, the imaging lens according to the exemplary embodiment of the present application includes sequentially from the object side to the image side along the optical axis: a first lens L1, a second lens L2, a third lens L3, a diaphragm STO, a fourth lens L4, The fifth lens L5, the sixth lens L6, the seventh lens L7, the eighth lens L8, the filter L9, and the imaging surface S19.

[0136] The first lens L1 has positive refractive power, the object side S1 is convex, and the image side S2 is concave. The second lens L2 has positive refractive power, the object side S3 is convex, and the image side S4 is convex. The third lens L3 has positive refractive power, the object side S5 is convex, and the...

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Abstract

The invention discloses a camera lens. The lens sequentially comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens from an object side to an image side along an optical axis, wherein the first lens has positive focal power, and an object side surface of the first lens is a convex surface; the second lens has focal power, and an image side surface of the second lens is a convex surface; the third lens has focal power; the fourth lens has focal power; the fifth lens has focal power; the sixth lens has focal power; the seventh lens has focal power; and the eighth lens has focal power, the object side surface of the eighth lens is a convex surface, and the image side surface of the eighth lens is a concave surface. Thedistance TTL from the object side surface of the first lens to the imaging surface of the camera lens on the optical axis and the half ImgH of the length of a diagonal line of an effective pixel region of an electronic photosensor of the camera lens meet the following formula: TTL / ImgH< 1.65.

Description

technical field [0001] The present application relates to a camera lens, and more particularly, the present application relates to a camera lens including eight lenses. Background technique [0002] With the rapid development of portable electronic products such as smart phones, the market has higher and higher requirements on the shooting effects carried by the mobile phones. Photosensitive elements commonly used in optical systems, such as image sensors such as electrically coupled devices (CCDs) and complementary metal oxide semiconductors (CMOS), are also developing towards large image areas and high pixels. [0003] At present, conventional optical systems cannot take into account the requirements of high pixelation, large aperture and small size at the same time. In order to ensure that the handheld camera can obtain the shooting effect of small depth of field, the combination of virtual and real, and can achieve clear shooting in dim light, the optical system configu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/18
CPCG02B13/0045G02B13/0015
Inventor 周鑫杨健
Owner ZHEJIANG SUNNY OPTICAL CO LTD
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