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Optical imaging lens

An optical imaging lens and lens technology, applied in optics, optical components, instruments, etc., can solve the problems of image scale inconsistency, large distortion of optical imaging lens, image deformation, etc., and achieve good molding processing performance, high imaging quality, and structure. compact effect

Pending Publication Date: 2020-09-18
ZHEJIANG SUNNY OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, due to the large distortion of the ultra-wide-angle optical imaging lens, the image after shooting will be obviously deformed, resulting in incongruous image proportions, and the above-mentioned distortion needs to be corrected with the help of related software in the later stage

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0086] Refer to the following Figure 1 to Figure 2D An optical imaging lens according to Embodiment 1 of the present application is described. figure 1 is a schematic diagram showing the structure of an optical imaging lens according to Embodiment 1 of the present application.

[0087] 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: the first lens E1, the second lens E2, the diaphragm STO, the third lens E3, the fourth lens E4, the fifth lens E5, the sixth lens Lens E6, filter E7 and imaging surface S15.

[0088] The first lens E1 has negative refractive power, its object side S1 is concave, and its image side S2 is concave. 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 positive refractive power, its object side S5 is convex, and its image side S6 is convex. The fourth lens E4 has negative refrac...

Embodiment 2

[0103] Refer to the following Figure 3 to Figure 4D An optical imaging lens according to Embodiment 2 of the present application is described. image 3 A schematic structural diagram of an optical imaging lens according to Embodiment 2 of the present application is shown.

[0104] 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: the first lens E1, the second lens E2, the diaphragm STO, the third lens E3, the fourth lens E4, the fifth lens E5, the sixth lens Lens E6, filter E7 and imaging surface S15.

[0105] The first lens E1 has negative refractive power, its object side S1 is concave, and its image side S2 is concave. 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 positive refractive power, its object side S5 is convex, and its image side S6 is convex. The fourth lens E4 has negative refractive ...

Embodiment 3

[0117] Refer to the following Figure 5 to Figure 6D 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.

[0118] 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: the first lens E1, the second lens E2, the diaphragm STO, the third lens E3, the fourth lens E4, the fifth lens E5, the sixth lens Lens E6, filter E7 and imaging surface S15.

[0119] The first lens E1 has negative refractive power, its object side S1 is concave, and its image side S2 is concave. 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 positive refractive power, its object side S5 is convex, and its image side S6 is convex. The fourth lens E4 has negative refractiv...

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Abstract

The invention discloses an optical imaging lens. The optical imaging lens sequentially comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from an objectside to an image side along an optical axis; The first lens has focal power; the second lens has focal power; the third lens has focal power; the fourth lens has focal power; the fifth lens has focalpower; and the sixth lens has focal power. The maximum half field angle Semi-FOV of the optical imaging lens meets the condition that Semi-FOV is greater than or equal to 60 degrees; the curvature radius of the object side surface of the first lens and the curvature radius of the image side surface of the first lens satisfy -2.5 < (R1-R2) / (R1 + R2) < -1.0; and the curvature radius of the object side surface of the second lens and the curvature radius of the image side surface of the second lens satisfy 1.5 < R4 / R3 < 2.5, so that the optical imaging lens has the characteristics of large field angle, small distortion and the like.

Description

technical field [0001] The present application relates to the field of optical elements, and specifically relates to an optical imaging lens including six lenses. Background technique [0002] In recent years, with the gradual popularization of smart terminals, people have higher and higher requirements for the camera performance of mobile phones. Nowadays, the rear camera modules of mainstream flagship phones of major mobile phone brands are usually equipped with ultra-wide-angle optical imaging lenses to meet the needs of users for shooting with a large field of view. [0003] However, due to the large distortion of the ultra-wide-angle optical imaging lens, the image after shooting will be obviously deformed, resulting in incongruous image proportions, and the above-mentioned distortion needs to be corrected with the help of related software in the later stage. [0004] Therefore, there is an increasing demand in the market for optical imaging lenses with ultra-wide angl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/06G02B13/18
CPCG02B13/0045G02B13/06G02B13/18G02B9/62G02B13/04
Inventor 高扬巫祥曦徐武超戴付建赵烈烽
Owner ZHEJIANG SUNNY OPTICAL CO LTD
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