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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 large size, inability to meet telephoto, miniaturization and high imaging quality at the same time

Active Publication Date: 2019-07-16
ZHEJIANG SUNNY OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing telephoto lenses usually increase the number of lenses to achieve high imaging quality, so the size is relatively large, and cannot meet the requirements of telephoto, miniaturization and high imaging quality at the same time

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0131] 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 A schematic structural diagram of an optical imaging lens according to Embodiment 1 of the present application is shown.

[0132] Such as figure 1 As shown, the optical imaging lens according to the exemplary embodiment of the present application includes sequentially along the optical axis from the object side to the image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, and a fourth lens E4 , the fifth lens E5, the sixth lens E6, the filter E7 and the imaging surface S15.

[0133] 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 negative 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 S5 is convex, and its image side S...

Embodiment 2

[0147] Refer to the following Figure 3 to Figure 4D 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.

[0148] Such as image 3 As shown, the optical imaging lens according to the exemplary embodiment of the present application includes sequentially along the optical axis from the object side to the image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, and a fourth lens E4 , the fifth lens E5, the sixth lens E6, the filter E7 and the imaging surface S15.

[0149] 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 negative refractive power, its object side S3 is conve...

Embodiment 3

[0161] 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.

[0162] Such as Figure 5 As shown, the optical imaging lens according to the exemplary embodiment of the present application includes sequentially along the optical axis from the object side to the image side: a stop STO, a first lens E1, a second lens E2, a third lens E3, and a fourth lens E4 , the fifth lens E5, the sixth lens E6, the filter E7 and the imaging surface S15.

[0163] 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 negative 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 S5 is convex, and its image side...

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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 the objectside to the image side along the optical axis. The first lens has the positive focal power or the negative focal power, and the object side face of the first lens is provided with a convex face partlocated in a paraxial area and a convex face part located in an abaxial area; the second lens has the positive focal power or the negative focal power; the third lens has the positive focal power or the negative focal power, and the image side face of the third lens is provided with a concave face part located in the paraxial area and a concave face part located in the abaxial area; the fourth lens has the positive focal power or the negative focal power; the fifth lens has the positive focal power or the negative focal power; the six lens has the positive focal power or the negative focal power, and the image side face of the six lens is provided with a concave face part located in the paraxial area and a convex face part located in the abaxial area; and the optical imaging lens meets thefollowing conditions that the sum of CT1, CT3 and CT4 is greater than or equal to 1.39 mm and less than or equal to 1.44 mm, f / R1 is greater than or equal to 3.77 and less than or equal to 3.95, and(f*CT3) / sigma CT is greater than or equal to 0.54 mm and less than or equal to 0.62 mm.

Description

[0001] Divisional Application Statement [0002] This application is a divisional application of the Chinese invention patent application with the title of "Optical Imaging Lens" and application number 201910264606.9 submitted on April 3, 2019. technical field [0003] The present application relates to an optical imaging lens, and more particularly, to an optical imaging lens including six lenses. Background technique [0004] With the rapid development of portable electronic products such as smart phones, people hope that the use of portable electronic devices can meet the demand for shooting distant scenes in the wild, and can achieve the effect of highlighting the subject and blurring the background. This requires that the lens not only has telephoto characteristics, but also has miniaturization characteristics and high imaging quality. However, the existing telephoto lenses usually increase the number of lenses to achieve high imaging quality, so the size is relatively...

Claims

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Application Information

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IPC IPC(8): G02B13/00
CPCG02B13/0045
Inventor 黄林周鑫
Owner ZHEJIANG SUNNY OPTICAL CO LTD
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