Focal Length Type: Fixed/Prime.

　　Design: 55BB.

　　Focal Length: 500mm.

　　Compatible Brand: Currently fits Konica & possibly others. It has the Adaptall 2 mount and to mount to Canon, Pentax, Minolta it might need a different/specific mount.

　　* search Adaptall 2 to learn more. This lens will mount to nearly any camera!

　　Type: Mirror Reflex.

　　Focus Type: Manual.

　　Brand name: Tamron.

　　Aperture: f/8.

　　Act quickly! Likewise provided on ebay.