发明名称 METHOD FOR PUTTING FILM SURFACE AND FOCUSING SCREEN OF FINDER IN FOCUS
摘要 PURPOSE:To adjust a focusing screen for a subject whose focus on a film surface is confirmed and to put the film surface and a finder focusing screen in focus, by making part of a film pressing plate into a focusing screen, and making the finder focusing screen adjustable. CONSTITUTION:The whole or part of the film pressing plate of a camera is made into the focusing screen and a hole with a lid is formed in a rear cover to confirm the focus state of a mounted lens on the film surface before a film is loaded; and the focusing screen of a finder is made adjustable so that it moves. Then, the focusing screen is adjusted for the subject whose focus state on the film surface is confirmed to obtain the in-focus state. Consequently, the film surface and finder focusing screen are put in focus.
申请公布号 JPS5940629(A) 申请公布日期 1984.03.06
申请号 JP19820136558 申请日期 1982.08.04
申请人 NAGAI MASAYA 发明人 NAGAI MASAYA
分类号 G03B13/16;G03B1/48;G03B13/24 主分类号 G03B13/16
代理机构 代理人
主权项
地址