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Imaging lens

An imaging lens and lens technology, applied in the field of imaging lens, can solve the problems of not being able to satisfy large aperture, high resolution and resistance to environmental temperature changes at the same time, and achieve the effects of good optical performance, small aperture value, and resistance to environmental temperature changes

Active Publication Date: 2021-03-12
SINTAI OPTICAL SHENZHEN CO LTD +1
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide an imaging lens with a small aperture value and a high High, resistant to ambient temperature changes, but still has good optical properties

Method used

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Embodiment Construction

[0041] The present invention provides an imaging lens, comprising: the first lens has a refractive power, and the first lens includes a convex surface facing the object side; the second lens has a positive refractive power; the third lens has a positive refractive power; the fourth lens has a refractive power; the fifth lens Have refractive power; And the 6th lens has positive refractive power, and this 6th lens comprises a convex surface towards object side; Wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are along the optical axis Arranged in order from the object side to the image side; where the imaging lens meets the following conditions: 0.25 / f|5 is the effective focal length of the fifth lens, and f is the effective focal length of the imaging lens.

[0042] Please refer to Table 1, Table 3 and Table 5 below, wherein Table 1, Table 3 and Table 5 are the relevant parameter tables of the lenses according to the f...

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Abstract

An imaging lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The first lens element has refractive power and includes a convex surface facing theobject side. The second lens element has positive refractive power. The third lens element has positive refractive power. The fourth lens element has refractive power. The fifth lens has refractive power. The sixth lens element with positive refractive power includes a convex surface facing the object side. The first lens, the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens are sequentially arranged from the object side to the image side along the optical axis. The imaging lens satisfies the following conditions: 0.2<|f5 / f|<1.5, wherein f5 is the effective focallength of the fifth lens, and f is the effective focal length of the imaging lens.

Description

technical field [0001] The invention relates to an imaging lens. Background technique [0002] The development trend of today's imaging lenses, in addition to the continuous development towards large apertures, with different application requirements, it is also necessary to have the characteristics of high resolution and resistance to environmental temperature changes. The existing imaging lenses can no longer meet today's needs. There is another imaging lens with a new structure to meet the needs of large aperture, high resolution and resistance to environmental temperature changes at the same time. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an imaging lens with a small aperture value and a high High, resistant to environmental temperature changes, but still has good optical properties. [0004] The technical solution adopted by the present invention to solve the technical problem is to provide an imagin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00
CPCG02B13/0015G02B13/006G02B13/0045G02B27/0025G02B9/62
Inventor 陈柏瑜
Owner SINTAI OPTICAL SHENZHEN CO LTD
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