Dual mode camera exposure meters
    1.
    发明授权
    Dual mode camera exposure meters 失效
    双模式相机曝光表

    公开(公告)号:US4364662A

    公开(公告)日:1982-12-21

    申请号:US150643

    申请日:1980-05-16

    CPC分类号: G01J1/4214

    摘要: With an exposure meter usable in both reflected light mode and incident light mode, the exposure meter is capable of displaying a value measured in reflected light mode with a reflected light mode attachment mounted on the exposure meter, and a value measured in incident light mode with an incident light mode attachment mounted thereon.

    摘要翻译: 利用可用于反射光模式和入射光模式的曝光计,曝光计能够以反射光模式测量的反射光模式附着在安装在曝光计上的显示值,以及以入射光模式测量的值 安装在其上的入射光模式附件。