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Wide-angle and high-resolution small optics lens

A high-resolution, optical lens technology, applied in the field of optical lenses, can solve the problem of low resolution, achieve the effects of small size, improved image clarity, uniformity of surrounding image quality, and high resolution

Active Publication Date: 2014-01-29
厦门爱劳德光电有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Various types of small lenses currently used have relatively low resolution and can only be adapted to 300,000-pixel chips

Method used

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  • Wide-angle and high-resolution small optics lens

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Embodiment approach

[0018] like figure 1 As shown, the present invention discloses a wide-angle high-resolution optical lens, which comprises in sequence from the object side to the image side: a first lens 1 of a meniscus negative lens, a second lens 2 of a meniscus negative lens, A third lens 3 of a biconvex positive lens, a diaphragm 7, a cemented lens group composed of a fourth lens 4 and a fifth lens 5, and a sixth lens 6 of a biconvex positive lens;

[0019] Wherein the first lens 1 is a meniscus negative lens, its object-side surface 11 is a convex surface, and the image-side surface 12 is a concave surface; the radius of curvature R11 of the object-side surface 11 of the first lens 1 is 65 mm to 85 mm, and the image-side surface 12 is The radius of curvature R12 is -3.3 mm ~ -4.0mm.

[0020] The second lens 2 is also a meniscus negative lens, its object side surface 21 is a convex surface, and the image side surface 22 is concave; the radius of curvature R21 of the object side surface 21...

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Abstract

The invention discloses a wide-angle and high-resolution small optics lens. The wide-angle and high-resolution small optics lens comprises a first lens of a negative meniscus lens, a second lens of the negative meniscus lens, a third lens of a biconvex positive lens, a diaphragm, a bonding lens set and a sixth lens of the biconvex positive lens in sequence from the object side to the image side, wherein the bonding lens set is composed of a fourth lens and a fifth lens. The wide-angle and high-resolution small optics lens composed of the lenses not only is small in size, but also can correct the system aberration effectively and reduce the sensitivity degree of a lens system so as to obtain the higher resolution power, then the resolution of a lens is larger than the pixel of two millions, the wide-angle and high-resolution small optics lens can be well used on a chip of the pixel of 5 millions, the image definition and uniformity of the surrounding image quality are improved, the defect that a traditional lens is low in performance index is overcome, and the wide angle and the high resolution are achieved.

Description

technical field [0001] The invention relates to an optical lens, in particular to a small wide-angle and high-resolution optical lens used in the fields of network cameras, driving recorders, monitoring and the like. Background technique [0002] Various types of small lenses currently in use have relatively low resolutions and can only be adapted to 300,000-pixel chips. With the continuous emergence of various high-resolution CCDs and CMOS image sensors, image capture has entered the era of high-definition production. In order to cooperate with the chip of the high-definition camera, the lens must increase the corresponding pixel. Especially in applications such as driving recorders and network cameras in recent years, the requirements for high-definition lenses are more obvious. Contents of the invention [0003] The object of the present invention is to provide a kind of wide-angle and high-resolution optical small lens that cooperates with the application of driving ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B13/06G02B13/00G02B1/00
Inventor 叶孙华
Owner 厦门爱劳德光电有限公司
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