WIDE ANGLE OPTICAL SYSTEM

PURPOSE: A wide angle optical system is provided to make a view angle over horizontal 140 degrees by two pieces of lenses made of plastic materials. CONSTITUTION: A wide angle optical system includes a first lens(10) and a second lens(20). The first lens has negative power and a meniscus shape which...

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Bibliographic Details
Main Authors LEE, KANG JIN, JUNG, PHIL HO
Format Patent
LanguageEnglish
Korean
Published 12.06.2013
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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