Title:
投写レンズおよびこれを用いた投写型表示装置
Document Type and Number:
Japanese Patent JP5090852
Kind Code:
B2
Abstract:
A projection lens includes, in order form a magnification side: a first lens group having negative refractive power; and a second lens group having positive refractive power. An aspheric lens is arranged on the most magnification side of the first lens group. The conditional expressions 3
Inventors:
Yukiko Nagatoshi
Application Number:
JP2007277606A
Publication Date:
December 05, 2012
Filing Date:
October 25, 2007
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B13/16; G02B13/18; G03B21/00; G03B21/14
Domestic Patent References:
| JP2004326079A | ||||
| JP2003015033A | ||||
| JP11305116A | ||||
| JP2004522187A |
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma
Go Sakuma