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Optical imaging lens

An optical imaging lens and lens technology, applied in optics, optical components, instruments, etc., to achieve the effect of high imaging quality

Pending Publication Date: 2020-05-15
ZHEJIANG SUNNY OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

How to ensure miniaturization and better imaging quality while realizing the characteristics of the above-mentioned telephoto lens has brought new challenges to technical design in this field

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0066] Refer to the following Figure 1 to Figure 2C An optical imaging lens according to Embodiment 1 of the present application is described. figure 1 A schematic structural diagram of an optical imaging lens according to Embodiment 1 of the present application is shown.

[0067] Such as figure 1 As shown, the optical imaging lens includes in sequence from the object side to the image side along the optical axis: a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a filter Light sheet E7 and imaging surface S16.

[0068] The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is convex. The second lens E2 has positive refractive power, its object side S3 is convex, and its image side S4 is concave. The third lens E3 has negative refractive power, its object side S6 is concave, and its image side S7 is concave. The fourth lens E4 has positive refractive power, its object side...

Embodiment 2

[0082] Refer to the following Figure 3 to Figure 4C An optical imaging lens according to Embodiment 2 of the present application is described. In this embodiment and the following embodiments, for the sake of brevity, descriptions similar to those in Embodiment 1 will be omitted. image 3 A schematic structural diagram of an optical imaging lens according to Embodiment 2 of the present application is shown.

[0083] Such as image 3 As shown, the optical imaging lens includes in sequence from the object side to the image side along the optical axis: a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a filter Light sheet E7 and imaging surface S16.

[0084] The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is convex. The second lens E2 has positive refractive power, its object side S3 is convex, and its image side S4 is concave. The third lens E3 has negative refractive...

Embodiment 3

[0094] Refer to the following Figure 5 to Figure 6C An optical imaging lens according to Embodiment 3 of the present application is described. Figure 5 A schematic structural diagram of an optical imaging lens according to Embodiment 3 of the present application is shown.

[0095] Such as Figure 5 As shown, the optical imaging lens includes in sequence from the object side to the image side along the optical axis: a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, a sixth lens E6, a filter Light sheet E7 and imaging surface S16.

[0096] The first lens E1 has positive refractive power, its object side S1 is convex, and its image side S2 is convex. The second lens E2 has positive refractive power, its object side S3 is convex, and its image side S4 is concave. The third lens E3 has negative refractive power, its object side S6 is concave, and its image side S7 is concave. The fourth lens E4 has negative refractive power, its object si...

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Abstract

The invention discloses an optical imaging lens, which sequentially comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens with focal power from an object side to an image side along an optical axis, wherein the second lens has positive focal power, and the image side surface of the fourth lens is a concave surface; and the curvature radius R2 of the image side surface of the first lens, the curvature radius R5 of the object side surface of the third lens, and the effective focal length f3 of the third lens satisfy the relational expression that 2.5<(R2+R5) / f3<11.0.

Description

technical field [0001] The present application relates to an optical imaging lens, and more particularly, to an optical imaging lens including six lenses. Background technique [0002] As a member of the multi-camera imaging lens in mobile phone cameras, the telephoto lens has become an essential tool for photographers who like to shoot people, wild animals, the moon, etc. because of the following unique features: 1) It can be zoomed in and out Shoot the subject to make the picture concise and remove the undesired picture content; 2) It can shorten the spatial distance of the distant view and the close view, and shoot the distant scenes before and after to create a compact picture effect, so as to realize the effect of compressing the space; 3) Realize the background Blurred. [0003] With the continuous development of portable electronic products such as smartphones, people have put forward higher requirements on the performance of optical imaging lenses for mobile phones....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/18
CPCG02B13/0045G02B13/18G02B13/02G02B9/62G02B27/0025
Inventor 李艳萍贺凌波李建军戴付建赵烈烽
Owner ZHEJIANG SUNNY OPTICAL CO LTD
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