Title:
REFLECTING MIRROR OF PENTAGONAL ROOF TYPE
Document Type and Number:
Japanese Patent JPS5440634
Kind Code:
A
Abstract:
PURPOSE: To prevent steals of dusts or harmful light by producing a reflecting mirror of pentagonal roof type for a closed finder with the use of an apaque frame having a group of reflecting mirrors and necessary optical elements.
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| JPS5862330 | 【考案の名称】実像式フアインダ- |
Inventors:
UCHIDA ISAMU
YAMAZAKI YASUO
YAMAZAKI YASUO
Application Number:
JP10709077A
Publication Date:
March 30, 1979
Filing Date:
September 05, 1977
Export Citation:
Assignee:
MINOLTA CAMERA KK
International Classes:
G03B13/26; G02B17/00; G03B13/02; (IPC1-7): G02B17/00; G03B13/02
Previous Patent: JPS5440633
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