Title:
撮像レンズシステム
Document Type and Number:
Japanese Patent JP4594130
Kind Code:
B2
Abstract:
An image pick-up lens system includes an aperture stop ( 10 ), a biconvex first lens ( 20 ), and a meniscus-shaped second lens ( 30 ) having a concave surface on a side of an object. The aperture stop, the first lens and the second lens are aligned in that order from the object side to an image side. Each of the lenses has at least one aspheric surface, and the following conditions are satisfied: (1) 0.5
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Inventors:
King table
Royal people
Solemn white
Kin Kokuhan
Zo Yoshiyoshi
Royal people
Solemn white
Kin Kokuhan
Zo Yoshiyoshi
Application Number:
JP2005046079A
Publication Date:
December 08, 2010
Filing Date:
February 22, 2005
Export Citation:
Assignee:
HONG FU JIN PRECISION INDUSTRY(SHENZHEN)CO.,LTD.
Tsinghwa University
Tsinghwa University
International Classes:
G02B3/02; G02B9/04; G02B13/18; G02B13/00
Domestic Patent References:
JP2004061554A | ||||
JP2003227999A | ||||
JP2004004742A | ||||
JP2003329921A | ||||
JP2003075719A |
Attorney, Agent or Firm:
Yasuhiko Murayama
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro