OPTICAL IMAGE CAPTURING SYSTEM
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United States of America Patent
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Issued Date -
May 12, 2016
app pub date -
Jan 15, 2015
filing date -
Nov 7, 2014
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Abstract
An optical image capturing system, from an object side to an image side, comprises a first, second, third, fourth, fifth, sixth, and seventh lens elements. At least one of the first through sixth lens elements has positive refractive power. The seventh lens has negative refractive power. Both of the image-side surface and the object-side surface of the seventh lens element are aspheric and at least one of the two surfaces has inflection points. The second through seventh lens elements of the optical image capturing system have refractive power. When specific conditions are satisfied, the optical image capturing can have a large aperture value and a better optical path adjusting ability, so as to improve imaging quality.
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