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.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film 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 Fuji Photo Film Co LtdfiledCriticalFuji Photo Film Co Ltd
Priority to JP9293775ApriorityCriticalpatent/JPS5216231A/en
Publication of JPS5216231ApublicationCriticalpatent/JPS5216231A/en
PURPOSE: To set a preset relation between lens iris, aperture and exposure time by controlling opening, opening-closing, and open-close time of one set of shutter blades.