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Pick-up lens

A camera lens and lens technology, applied in the field of camera lenses, can solve the problems of increasing the total length of the camera lens and the difficulty of design, restricting the miniaturization design of the camera lens, and unable to display the scene well, and achieves miniaturized imaging quality and good imaging quality. , the effect of optimizing optical parameters

Active Publication Date: 2021-05-07
ZHEJIANG SUNNY OPTICAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the photos taken by most of the camera lenses currently on the market cannot show more scenes well
In the case of the same chip size, in order to obtain higher image clarity, most lens manufacturers generally increase the number of lenses and the complexity of the lens surface to eliminate aberrations, but this structure undoubtedly increases the image quality. The overall length and design difficulty of the lens restrict the miniaturization design of the camera lens

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0087] Refer to the following Figure 1 to Figure 2C An imaging lens according to Embodiment 1 of the present application will be described. figure 1 A schematic structural diagram of an imaging lens according to Embodiment 1 of the present application is shown.

[0088] Such as figure 1 As shown, the imaging lens includes in sequence from the object side to the image side: the first lens E1, the second lens E2, the third lens E3, the diaphragm STO, the fourth lens E4, the fifth lens E5, the sixth lens E6, the Seven lens E7, filter E8 and imaging surface S17.

[0089] The first lens E1 has negative refractive power, its object side S1 is convex, 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 positive refractive power, its object side S7 is ...

Embodiment 2

[0103] Refer to the following Figure 3 to Figure 4C An imaging lens according to Embodiment 2 of the present application will be 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 imaging lens according to Embodiment 2 of the present application is shown.

[0104] Such as image 3 As shown, the imaging lens includes in sequence from the object side to the image side: the first lens E1, the second lens E2, the third lens E3, the diaphragm STO, the fourth lens E4, the fifth lens E5, the sixth lens E6, the Seven lens E7, filter E8 and imaging surface S17.

[0105] The first lens E1 has negative refractive power, its object side S1 is convex, 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 powe...

Embodiment 3

[0116] Refer to the following Figure 5 to Figure 6C An imaging lens according to Embodiment 3 of the present application is described. Figure 5 A schematic structural diagram of an imaging lens according to Embodiment 3 of the present application is shown.

[0117] Such as Figure 5 As shown, the imaging lens includes in sequence from the object side to the image side: a first lens E1, a second lens E2, a third lens E3, an aperture STO, a fourth lens E4, a fifth lens E5, a sixth lens E6, a Seven lens E7, filter E8 and imaging surface S17.

[0118] The first lens E1 has negative refractive power, its object side S1 is convex, 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 concave. The fourth lens E4 has positive refractive power, its object side S7 is convex, and its im...

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Abstract

The invention discloses a pick-up lens. The pick-up lens sequentially comprises from an object side to an image side along an optical axis: a first lens with negative focal power; a second lens with focal power; a third lens with focal power; a fourth lens with positive focal power; a fifth lens with negative focal power; a sixth lens with positive focal power; and a seventh lens with a negative focal power. The distance TTL from the object side surface of the first lens to the imaging surface of the pick-up lens on the optical axis, half ImgH of the diagonal length of an effective pixel area of the pick-up lens and the total effective focal length f of the pick-up lens meet the condition that TTL*ImgH / f is more than 15mm and less than 18mm; and the distortion DIST0.8F of the pick-up lens at the 0.8 field of view meets the following condition: |DIST0.8F| is less than 2%.

Description

technical field [0001] The present application relates to the field of optical elements, in particular, to a camera lens. Background technique [0002] With the continuous development of portable electronic products such as smartphones, the camera function of smartphones has become one of the main reasons for their replacement. Therefore, the development of camera modules for smartphones has become the top priority of major mobile phone manufacturers. Features such as ultra-wide-angle, telephoto, large aperture, and large image area have gradually become the standard equipment for mobile phone photography. Therefore, a mobile phone is usually equipped with multiple different types of lenses to achieve higher imaging effects. In particular, ultra-wide-angle lenses have a wide field of view and can include more scenes in the photos taken. Therefore, they play an important role in photography of architecture, interiors and landscapes, and are favored by more and more consumers....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/18G02B13/06
CPCG02B13/0045G02B13/18G02B13/06G02B9/64G02B27/0025
Inventor 唐梦娜程一夫闻人建科戴付建赵烈烽
Owner ZHEJIANG SUNNY OPTICAL CO LTD
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