0 Talk Clarus Edit History The Clarus Camera Manufacturing Company was a camera maker based in Minneapolis, Minnesota. From 1946 to 1952 it made the MS-35 rangefinder camera. LinksEdit Cameras at www.collection-appareils.fr Read more Riley Research Co. of Santa Monica, California. Manufacturer of "Rilex" 2 1/4" x 3 1/4"... Riley Berkey Keystone is a division of Berkey Photo Inc. of White Plains, New York, USA. They made a... Keystone Keith Camera Co. in Los Angeles, California, was a company that made cameras and accessories. In... Keith Related Categories Categories: Camera makers | USA Add category