Wide-angle lens and imaging device

A wide-angle lens having a field angle larger than 180 degrees includes, in order from an object side to an image side, a front group, a reflection surface, and a back group, wherein the front group includes three lenses having a negative refractive power, the reflection surface is configured to cur...

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Bibliographic Details
Main Authors TANAKA TOMONORI, ZE KOUCONG, TERAO NORIYUKI, SATOH HIROYUKI, IRINO YOSHIAKI, MASUDA KENSUKE, YUAN TIANHENG, JIN JIANGWANG, YAMAMOTO HIDEAKI, TAKENAKA HIROKAZU, BESSHO DAISUKE
Format Patent
LanguageChinese
English
Published 02.04.2014
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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