Optical Image Capturing System
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United States of America Patent
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Issued Date -
Aug 18, 2016
app pub date -
Apr 14, 2015
filing date -
Feb 16, 2015
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Abstract
A four-piece optical lens for capturing image and a five-piece optical module for capturing image are disclosed. In order from an object side to an image side, the optical lens along the optical axis includes a first lens with positive refractive power; a second lens with refractive power; a third lens with refractive power; and a fourth lens with negative refractive power; and at least one of the image-side surface and object-side surface of each of the four lens elements are aspheric. The optical lens can increase aperture value and improve the imaging quality for use in compact cameras.
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