Title:
IMAGING LENS AND IMAGING DEVICE
Document Type and Number:
WIPO Patent Application WO/2005/047951
Kind Code:
A1
Abstract:
An imaging lens comprising, sequentially from an object side, a positive lens, a negative lens, a positive lens and a lens having at least one plane in an aspherical shape, whereby, by being designed to fulfill specified conditions, the imaging lens can be downsized and provided with a higher imaging performance, is suitable for a wider angle, and has good image-side telecentric characteristics; and an imaging device using it.
Inventors:
MATSUI TAKUMI (JP)
SANO EIGO (JP)
SANO EIGO (JP)
Application Number:
PCT/JP2004/016687
Publication Date:
May 26, 2005
Filing Date:
November 04, 2004
Export Citation:
Assignee:
KONICA MINOLTA OPTO INC (JP)
MATSUI TAKUMI (JP)
SANO EIGO (JP)
MATSUI TAKUMI (JP)
SANO EIGO (JP)
International Classes:
G02B9/34; G02B13/00; G02B13/16; G02B13/18; G02B13/22; (IPC1-7): G02B13/00; G02B13/18
Foreign References:
| JP2003255222A | 2003-09-10 | |||
| JP2000180719A | 2000-06-30 | |||
| JP2004325713A | 2004-11-18 | |||
| JP2004341512A | 2004-12-02 | |||
| JP2004341501A | 2004-12-02 |
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