Topcon UV lenses

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The UV mount lenses from Tōkyō Kōgaku are used on cameras from the 1960's (like the Topcon 100 Auto, the Uni, and Unirex) and the 1970s (like the IC-1 Auto). These unique lens designs do not have a built-in shutter, but instead are mounted directly onto the shutter assembly protruding from the camera body.

  • UV Topcor 28mm f/4
  • UV Topcor 35mm f/3.5
  • UV Topcor 50mm f/2 (2 models including a chromed one for the Unirex, and a Black Hi Topcor for the IC-1 Auto)
  • UV Topcor 50mm f/2.8 (Hi Tpocor)
  • UV Topcor 53mm f/2
  • UV Topcor 55mm f/1.8 (Hi Topcor for IC-1 Auto)
  • UV Topcor 100mm f/4
  • UV Topcor 135mm f/4
  • UV Topcor 200mm f/4

UV lenses were originally made for the Uni. The Unirex was sold with a bespoke silver finished 50mm f/2 lens. The IC-1 Auto similarly came with a bespoke Hi Topcor 50mm lens, where the first versions got an f/2, and later versions got an f/1.8.