I recently acquired this lens, but I cannot figure out the exact mount on the lens, does anyone know? I was told by the seller that it was for a Nikon camera. However, this mount looks nothing like the Nikon mount with the Rabbit ears.

Vivitar Mount 1 Vivitar Mount 2 Vivitar Mount 3

  • \$\begingroup\$ When asking lens identification questions, it's helpful to identify all the engraved lettering on and around the lens. \$\endgroup\$
    – scottbb
    Commented Jun 26, 2019 at 17:27
  • 1
    \$\begingroup\$ Lens is made by Kiron. I had a copy with a Nikon mount. It was pretty sharp, but got rid of it because I prefer another lens that covers the same focal length. Here's a photo that was taken with it. (I agree with scottbb, your copy has OM mount.) \$\endgroup\$
    – xiota
    Commented Jun 26, 2019 at 20:56

1 Answer 1


I believe this is an Olympus OM mount lens. The lens release button and aperture stop-down button opposing each other are a dead giveaway. Also, unless I'm mistaken, the engraved lettering in the first picture says something like "for O/OM"... ?

  • \$\begingroup\$ You are absolutely correct @scottbb. It was right in front of my face and I didn't even realize it. thank you so much! \$\endgroup\$ Commented Jun 26, 2019 at 17:32

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