发明名称 VIDEO CAMERA ATTACHMENT DEVICE FOR SINGLE-LENS REFLEX CAMERA
摘要 PURPOSE:To apply clearly monitor display for still photograph information displayed at the surrounding of the photograph image by providing a lighting means forming all eye field images of eyepiece of a finder onto a video camera image pickup element and adjusting the display brightness of still pickup information in the finder to an optimum brightness. CONSTITUTION:A telecentric lens 9 making an eyepiece full eye sight image viewed through an eyepiece lens 5 incident on a position opposed to the eyepiece lens 5 of a single-lens reflex finder 300 is arranged, an optical image from the telecentric lens 9 is reflected by a roof prism 10 in an orthogonal direction and a display image in the finder is formed to the photodetecting plane of the video camera image pickup element 13 mounted to a video camera board 14 through a couple of master lenses 11 provided with an automatic iris 12 inbetween is formed. Further, the display brightness of the still photograph information such as shutter speed or aperture displayed in the finder is varied by changing the lightness of the light source by the lighting device 15.
申请公布号 JPS62141864(A) 申请公布日期 1987.06.25
申请号 JP19850282472 申请日期 1985.12.16
申请人 NIPPON KOGAKU KK <NIKON> 发明人 NOZAWA HIDEYO;HARA TOSHIRO;JIYUEN MASAHIRO
分类号 G03B13/26;G03B17/20;G03B19/12;H04N5/225;H04N5/232 主分类号 G03B13/26
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