It is applicable in full surface screen's high definition phone lens

The utility model discloses an it is applicable in full surface screen's high definition phone lens, include by thing side to for instance aperture stop that the side set up, 4 lens and light filter,first piece lens and third piece lens have positive refractive power, second piece lens and four...

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Bibliographic Details
Main Authors QIU XIAOXIONG, YUAN HONG
Format Patent
LanguageChinese
English
Published 08.06.2018
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Summary:The utility model discloses an it is applicable in full surface screen's high definition phone lens, include by thing side to for instance aperture stop that the side set up, 4 lens and light filter,first piece lens and third piece lens have positive refractive power, second piece lens and fourth piece lens have negative optical power, the thing side optical surface and the picture side optical surface of second piece lens are the concave surface, third piece lens are the falcate, and thing side optical surface is the concave surface, is the convex surface like the side optical surface, fourth piece lens accessory things side direction is observed like the side and is M shape, satisfy following conditions: ET1+EA1+ET2+EA2+ET3&gt, 1.55, EA3&gt, 0.62 ET1, ET2, ET3 are the marginal thicknessof first piece, second piece, third piece lens respectively, EA1 is the marginal air gap between first piece lens and second piece lens, EA2 is the marginal air gap between second piece lens and third piece lens, EA3 is the m
Bibliography:Application Number: CN201721398316U