Optical lens
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United States of America Patent
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Mar 14, 2017
Grant Date -
Jan 14, 2016
app pub date -
Jul 8, 2015
filing date -
Jul 8, 2014
priority date (Note) -
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Abstract
This invention provides an optical lens, in order from an object side to an image-forming side, comprises a first lens with positive refraction power; a second lens with negative refraction power; a third lens with positive refraction power; a fourth lens with negative refraction power; a fifth lens with positive refraction power and a sixth lens with negative refraction power. The optical lens satisfies the following conditions: 0.50≦EFL/TTL, EFL/TTL≦1.00, 0.65≦F123/EFL, and/or F123/EFL≦1.00.
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