发明名称 |
Replaceable finder system for single-lens reflex camera |
摘要 |
An SLR camera having a replaceable penta-prism 6 slidably inserted from the rear face of the camera via mating flange rails 13a on the finder body and recessed grooves 8a in the camera body, a replaceable focal plate or screen 3 removably mounted in a pivotal holding plate 11 accessible through the lens mount 9, and a meter display system extending into the viewing frame of the finder and interposed between the penta-prism and the focal plate. The display system may include a shutter speed scale 15 and an overlying manual speed pointer 16 readable from the lens light, and an inset LED array 17 for indicating the meter reading.
|
申请公布号 |
US4132472(A) |
申请公布日期 |
1979.01.02 |
申请号 |
US19770806124 |
申请日期 |
1977.06.13 |
申请人 |
ASAHI KOGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
URANO, FUMIO;ARAI, AKIHIRO;KOBAYASHI, TAKUMI;UMETSU, JUNJI |
分类号 |
G03B17/20;G03B19/12;(IPC1-7):G03B19/12 |
主分类号 |
G03B17/20 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|