OPTICAL LENS

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...

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Bibliographic Details
Main Authors CHIANG YENN, CHANG YU-MIN, CHEN JUNG-YAO
Format Patent
LanguageEnglish
Published 14.01.2016
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary: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.
Bibliography:Application Number: US201514794266