Title:
【発明の名称】射出瞳の遠いマクロレンズ
Document Type and Number:
Japanese Patent JP3103166
Kind Code:
B2
Abstract:
A macro lens comprises first to third lens groups having positive powers and an aperture stop disposed the first and second lens groups. The first lens group, aperture stop and second lens group remain fixed with respect to one another and movable as one unit relative to the third lens group for focusing. The third lens group is stationary with respect to an image plane of the macro lens.
Inventors:
Shun Miyano
Application Number:
JP31058891A
Publication Date:
October 23, 2000
Filing Date:
November 26, 1991
Export Citation:
Assignee:
Fuji Photo Optical Co., Ltd.
International Classes:
G02B15/14; G02B9/64; G02B13/00; G02B13/24; (IPC1-7): G02B9/64
Domestic Patent References:
| JP2285313A | ||||
| JP1316714A | ||||
| JP63179308A | ||||
| JP2134610A | ||||
| JP2125220A | ||||
| JP2118507A | ||||
| JP63205627A | ||||
| JP1155310A | ||||
| JP3141313A |
Attorney, Agent or Firm:
Hiroshi Kawano