Ricoh 50mm lens with Ricoh lens cap and Canon body cap.
Category
Photographic technology
Date
Unknown
Materials
Plastic, Metal, Glass
Measurements
35 mm (Height); 60 mm (Diameter)
Place of origin
Japan
Collection
Fox Talbot Museum, Wiltshire
NT 1525646.1
Summary
Ricoh 50mm lens with Ricoh lens cap and Canon body cap. The whole is a Ricoh 50mm lens with Ricoh lens cap and Canon body cap. The body of the lens has a Baynet fitting and working backwards is – Aperture – 2, 2.8, 4, 5.6, 8, 11,16 Depth of field – 16, 48, 84, 16 Focus ring – ft 2, 2.5, 3, 4 5, 7, 10, 15, 30 – m 0.6, 0.8, 1, 1.5, 2, 3, 5, 10 The lens displays the words – RICOH, LENS MADE IN JAPAN 52O, RIKENON 1:2 50MM The lens is black plastic with metal. Both the lens cap and body cap are black plastic with the words RICOH and Canon on the front. Ricoh Rikenon 50mm f/2 Focal Length 50mm Aperture Range f/2 - f/16 Diaphragm blades - 6, straight Non-rotating front element Minimum close focus approx. 2 feet No 'P' designation https://www.pentaxforums.com/userreviews/ricoh-rikenon-50mm-f-2.html