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Wide-angle lens

A wide-angle lens and lens technology, applied in the field of wide-angle lenses, to achieve the effects of high resolution, large field of view, and good optical performance

Active Publication Date: 2021-12-03
SINTAI OPTICAL SHENZHEN CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The development trend of today's wide-angle lens, in addition to continuously developing towards a large field of view, with different application requirements, it also needs to have the characteristics of high resolution and resistance to environmental temperature changes. The existing wide-angle lens can no longer meet today's needs. Another wide-angle lens with a new structure can meet the needs of large field of view, high resolution and resistance to environmental temperature changes at the same time

Method used

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Examples

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Embodiment Construction

[0031] The present invention provides a wide-angle lens, comprising: the first lens has negative refractive power, the first lens is a meniscus lens; the second lens has negative refractive power, and the second lens is a meniscus lens; the third lens has negative refractive power; The fourth lens has positive refractive power, and the fourth lens is a meniscus lens; the fifth lens has refractive power, and the fifth lens includes a convex surface facing the object side; the sixth lens has positive refractive power; the seventh lens has negative refractive power; The lens has refractive power, and the eighth lens includes a convex surface toward the object side; the ninth lens has refractive power, and the ninth lens includes a concave surface toward the object side and a convex surface toward the image side; and the tenth lens has positive refractive power; wherein the first lens , the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh le...

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Abstract

The invention relates to a wide-angle lens. The wide-angle lens includes first, second, third, fourth, fifth, sixth, seventh, eighth, ninth and tenth lenses. The first lens has negative refractive power and is a meniscus lens. The second lens has negative refractive power and is a meniscus lens. The third lens element has negative refractive power. The fourth lens has positive refractive power and is a meniscus lens. The fifth lens element has refractive power and includes a convex surface facing the object side. The sixth lens has positive refractive power. The seventh lens has negative refractive power. The eighth lens element has refractive power and includes a convex surface facing the object side. The ninth lens has refractive power and comprises a concave surface facing the object side and a convex surface facing the image side. The tenth lens has positive refractive power. The first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, the eighth lens, the ninth lens and the tenth lens are sequentially arranged from the object side to the image side.

Description

technical field [0001] The invention relates to a wide-angle lens. Background technique [0002] The development trend of today's wide-angle lens, in addition to continuously developing towards a large field of view, with different application requirements, it also needs to have the characteristics of high resolution and resistance to environmental temperature changes. The existing wide-angle lens can no longer meet today's needs. Another wide-angle lens with a new structure can meet the needs of large field of view, 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 a wide-angle lens with a large field of view, high resolution, and resistance to environmental temperature changes, but still has good optical performance for the above-mentioned defects of the prior art. [0004] The technical solution adopted by the present inventio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/00G02B13/06G02B7/02
CPCG02B13/006G02B13/06G02B7/025G02B7/028G02B9/64G02B13/0045G02B7/008
Inventor 李建纬孙嘉鸿
Owner SINTAI OPTICAL SHENZHEN CO LTD