发明名称 CAMERA WITH INTERCHANGEABLE PHOTOGRAPHING LENS
摘要 PROBLEM TO BE SOLVED: To balance photometry, while properly maintaining visibility of a finder. SOLUTION: In an interchangeable photographing lens camera, having a finder screen whose one face is made as a Fresnel lens and whose other face is made as a mat face, the Fresnel angle of the Fresnel lens, constituting one face of the finder screen, is made larger at the center part of the finder screen so as to correspond to a photographing lens, whose distance (P0) from the imaging surface to the exit pupil is short.
申请公布号 JP2002090817(A) 申请公布日期 2002.03.27
申请号 JP20000280355 申请日期 2000.09.14
申请人 NIKON CORP 发明人 MATSUSHITA TSUYAKO;TSUKADA SHINICHI
分类号 G03B7/099;G02B3/08;G03B7/0997;G03B13/12;G03B13/24 主分类号 G03B7/099
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