Optical image system, image capturing device and electronic device
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United States of America Patent
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Jan 2, 2018
Grant Date -
Nov 2, 2017
app pub date -
Aug 2, 2016
filing date -
Apr 29, 2016
priority date (Note) -
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Abstract
An optical image system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has an image-side surface being concave in a paraxial region thereof. The third lens element has negative refractive power. The fifth lens element with negative refractive power has an object-side surface and an image-side surface being both aspheric. The sixth lens element has an object-side surface and an image-side surface being both aspheric.
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