发明名称 View finder for single-lens reflex camera
摘要 A view finder for a single-lens reflex camera has a notch formed in the light exit face of a view finder prism outside of the area through which photographic light rays are passing. At the notch, a reflection member guides rays of light representing photographic data and passing through the inside of the view finder prism toward an eyepiece.
申请公布号 US4297020(A) 申请公布日期 1981.10.27
申请号 US19800118799 申请日期 1980.02.05
申请人 CANON KABUSHIKI KAISHA 发明人 YAMADA, YASUYUKI;OKUNO, YOUICHI
分类号 G03B13/02;G03B17/20;G03B19/12;(IPC1-7):G03B13/08 主分类号 G03B13/02
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