Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Olympus Corp
Original Assignee
Olympus Optical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Olympus Optical Co LtdfiledCriticalOlympus Optical Co Ltd
Priority to JP10753877ApriorityCriticalpatent/JPS5441131A/en
Publication of JPS5441131ApublicationCriticalpatent/JPS5441131A/en
PURPOSE: To directly measure the photographic light transmitted through the taking lens and enhance its accuracy by providing a very small photometric photoelectric converter on the plane of the first blind of a focal plane shutter along the travelling direction of the first blind.
COPYRIGHT: (C)1979,JPO&Japio
JP10753877A1977-09-071977-09-07Photometry device for single lens reflex camera
PendingJPS5441131A
(en)