Kits with Ricoh Rikenon 21mm f/3.8
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Ricoh
Rikenon 21mm f/3.8
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Focal Type
Prime
Focal Length
21mm
Mount-family matches. Check the exact version and supported functions before use.
Aperture limits and blade count documented on the Rikenon-labelled M42 specimen. Remaining optical and physical values have not been inferred from the separately catalogued Auto Rikenon or Tomioka lenses.
Catalogue references. These links are separate from documents approved in Documents / Links.
Ricoh
Auto Rikenon 24mm f/2.8