Optical imaging system and imaging apparatus having same

An optical imaging system and image-side technology, applied in the field of lenses, can solve problems such as difficulties in lens implementation
CN112034594APending Publication Date: 2020-12-04JIANGXI JINGCHAO OPTICAL CO LTD
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGXI JINGCHAO OPTICAL CO LTD
Publication Date
2020-12-04

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Abstract

The invention discloses an optical imaging system and an imaging apparatus having the same. The optical imaging system includes, in order from an object side to an image side, a first lens element toa seventh lens element, wherein the first lens has negative refractive power and has a convex object side at a paraxial region and a concave image side at a paraxial region; the second lens with negative refractive power has an image side being concave in a paraxial region; the third lens with refractive power has an object side being convex in a paraxial region and an image side being concave ina paraxial region; the fourth lens with refractive power has an image side being concave in a paraxial region; the fifth lens element with positive refractive power has an image side being convex in aparaxial region; the sixth lens with refractive power has an object side being convex in a paraxial region; and the seventh lens has refractive power. Therefore, both the first lens and the second lens have negative refractive power and can diverge incoming light, so a wide angle can be obtained; and the fifth lens has positive refractive power so as to focus the light before imaging, so imagingis clearer.
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Description

Technical field

[0001] The present invention relates to a lens, and in particular relates to an optical imaging system having imaging means thereof. Background technique

[0002] The development trend of increasingly diverse market in smartphones, tablets, cameras and other electronic products manufacturing technology and the rapid development of user demand for downsizing of the imaging lens needs increased gradually. A mobile phone equipped with multiple cameras at the same time different characteristics and application environments, the trend has been maintained or even reduced, miniaturization of camera phones made more stringent requirements in mobile phones and other electronic products, the size and thickness. Pixel size while reducing the tendency sophisticated, the photosensitive member occurs semiconductor process technology, so the size of the imaging lens having good quality become mainstream.

[0003] Better image capture more user experience, the image capturing app...

Claims

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