Optical lens and imaging equipment

A technology of optical lens and optical imaging lens, which is applied in the field of optical imaging to achieve the effect of eliminating aberration and eliminating achromatic aberration
CN109541780AActive Publication Date: 2019-03-29JIANGXI LIANCHUANG ELECTRONICS CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGXI LIANCHUANG ELECTRONICS CO LTD
Publication Date
2019-03-29

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Abstract

The invention provides an optical lens which comprises the following components that are successively arranged from an object side to an imaging surface: a first lens which has negative focal power and an object-side surface that is a convex surface and an image-side surface that is a recessed surface; a second lens which has negative focal power and an object-side surface that is a recessed surface; a third lens which has positive focal power and an object-side surface that is a convex surface; a fourth lens with positive focal power; a fifth lens which has positive focal power and an object-side surface and an image-side surface that are convex surfaces; a sixth lens which has negative focal power and an object-side surface and an image-side surface that are recessed surfaces; wherein the fifth lens and the sixth lens are adhered for obtaining a adhering member; and a seventh lens with positive focal power, wherein the optical lens further comprises a diaphragm between the second lens and the third lens. The optical lens provided by the invention at least has a wide-spectrum imaging function. The invention further provides imaging equipment.
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Description

technical field

[0001] The invention relates to the technical field of optical imaging, in particular to an optical lens and imaging equipment. Background technique

[0002] Optical lenses are usually composed of several lenses and are widely used in various aspects of social life. Taking into account high performance and low manufacturing cost has always been the goal of product development. However, the current optical lenses still cannot meet the requirements. Therefore, it is urgent to propose An optical lens that combines high performance with low manufacturing cost. Contents of the invention

[0003] Based on this, the object of the present invention is to provide an optical lens and an imaging device to solve the above problems.

[0004] In a first aspect, the present invention provides an optical lens, which comprises sequentially from the object side to the imaging surface: a first lens with negative refractive power and a convex surface on the object side surfac...

Claims

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