公开(公告)号：US4985726A

公开(公告)日：1991-01-15

申请号：US501432

申请日：1990-03-22

申请人： Kazuo Fujibayashi ,  Shingo Hayakawa ,  Shuchi Kiyohara

发明人： Kazuo Fujibayashi ,  Shingo Hayakawa ,  Shuchi Kiyohara

IPC分类号： G03B7/099 ,  G03B7/20

CPC分类号： G03B7/20 ,  G03B7/09976 ,  G03B7/09979

摘要： A photometric device for a camera arranged to measure light by dividing a photographing field into a plurality of areas and to permit use of an interchangeable lens. The device computes a measured light value using information obtained from the interchangeable lens on its exit pupil position or on a correction value required for correcting its intrinsic drop of image plane light quantity along with information on each of the luminance values of the plurality of areas.

摘要翻译： 一种用于照相机的测光装置，其被布置成通过将拍摄场分成多个区域并且允许使用可互换镜头来测量光。 该装置使用从可互换镜头在其出射光瞳位置获得的信息或校正其固有的图像平面光量下降所需的校正值以及关于多个区域的每个亮度值的信息来计算测量的光值。