Komura 105mm f/2.0

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The Komura 105mm f/2.0 is a fixed-mount lens marketed by Sankyo Kohki for 35mm SLR cameras. It appears there were several variants of this lens including an all-black M42 mount (picture on this page), an all-black M39 mount for Leica and Canon, and some other fixed-mount versions with a silver preset ring[1] A 1967 Wall St. Camera Exchange ad lists the Komura 105mm f/2 lens for $78.50 USD[2]. The earliest mention of this lens found so far is a 1965 photo magazine ad.[3]


  • Badging: Sankyo Kohki Komura
  • Manufacturer: Sankyo Kohki
  • Manufacture Date: ca 1965
  • Focal Length: 105mm
  • Aperture Range: f/2 - f/16
  • Diaphragm Type: preset manual
  • Diaphragm Blades: 12
  • Filter Diameter: 58mm
  • Minimum Focus: 1.5 m (5 ft)
  • Mounts: M42
  • Elements: 5
  • Groups: 4[4]
  • Weight: 397 g (14 oz)
  • Accessories: unknown
  • Example Serial Numbers: 3352534
  • Original Stock Number(s): unknown