Optical lens

An optical lens includes, in order from an object side to an image-forming side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and a eighth lens. The first lens has negative refraction power. At least one of the second lens and the third lens ha...

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Bibliographic Details
Main Author HUANG, HUAI-YI
Format Patent
LanguageChinese
English
Published 16.02.2020
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:An optical lens includes, in order from an object side to an image-forming side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and a eighth lens. The first lens has negative refraction power. At least one of the second lens and the third lens has positive refraction power. The fourth lens, the fifth lens, the sixth lens, the seventh lens and the eighth lens have positive refraction power as a whole. One of the fifth lens and the sixth lens has positive refraction power, and the other has negative refraction power.
Bibliography:Application Number: TW20187127657