A high-quality optical lens

Abstract

The invention discloses a high-image quality optical lens. The optical lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, an optical filter and a light sensing element. The first lens is a positive focal length lens. The second lens is a negative focal length lens. The third lens is a positive focal length lens. The fourth lens is a negative focal length lens. The fifth lens is a positive focal length lens. The sixth lens is a negative focal length lens. According to the invention, the pixel of the lens can reach more than 21 million while the current microtype digital lens is 8M-13M; the whole luminance image plane is uniform; the brightness is high; the f-number can reach 1.6; and the lens can be used for a CMOS light sensing sheet with 20-30 million pixel; the size of a picture is big; and images are quite smooth and fine.

Description

【Technical field】 [0001] The invention relates to an optical lens, in particular to an optical lens applied to mobile phone plug-ins or digital machines and mobile DVs with high pixel requirements. The lens is composed of six aspheric lenses. 【Background technique】 [0002] The currently used mobile phone digital lenses generally have such shortcomings: all-plastic lens structure, difficulty in increasing pixels, low cost of imaging images, and small chips. The current mainstream camera phones in the market are mainly all-plastic lenses with less than 13 million pixels. The captured image is not ideal in terms of overall clarity or uniformity of illumination, poor imaging fineness, and the imaging quality of actual pixels is not enough to print exquisite photos. Compared with SLR cameras, enlarged images There are many noise points, and the difference in image quality is obvious; and in order to achieve high pixel and large aperture, a structure of more than 8 elements is ge...

AI Technical Summary

Problems solved by technology

[0002] The currently used mobile phone digital lenses generally have such shortcomings: all-plastic lens structure, difficulty in increasing pixels, low cost of imaging images, and small chips. The current mainstream camera phones in the market are mainly all-plastic lenses with less than 13 million pixels. The captured image is not ideal in terms of overall clarity or uniformity of illumination, poor imaging fineness, and the imaging quality of actual pixels is not enough to print exquisite photos. Compared with SLR cameras, enlarged images There are many noise points, and the difference in image quality is obvious; and in order to achieve high pixel and large aperture, a structure of more than 8 elements is generally used, and the total optical length is greater than 20mm

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