发明名称 |
VIEW FINDER HAVING A LIGHT EMITTING DEVICE |
摘要 |
A view finder in which an image formed by an objective optical system is observed through an eyepiece optical system comprising a half mirror for deflecting a light path from the objective optical system toward the eyepiece optical system, which is located behind an image forming position of the objective optical system. A light emitting device is provided, which defines a bright indicating area in the field of view of the view finder when the light emitting device is energized. The light emitting device is disposed behind the half mirror as viewed from the eyepiece optical system side.
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申请公布号 |
US5218396(A) |
申请公布日期 |
1993.06.08 |
申请号 |
US19910687709 |
申请日期 |
1991.04.19 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
MORISAWA, TAHEI |
分类号 |
G03B13/02;G02B7/10;G02B23/14;G03B13/06;G03B13/24 |
主分类号 |
G03B13/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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