Canon EF 50mm f2.5 Compact-Macro  type_Black & White Flat bottom plates have a

Flat bottom plates have a slotted mounting screw that requires a tool like a coin or screwdriver to fix to your camera

The Nikon MC-35 is an interface box designed to connect Nikon cameras with 10-pin connectors- like the D2/3/4/5/6 series

and 15 film cassettes

6 lens is in excellent condition

like the F5 and F100

Canon EF 50mm f2.5 Compact-Macro &nbsptype_Black & White Flat bottom plates have aThe Canon EF 50mm f2. 5 Compact Macro is a full frame macro lens for film and digital EF mount SLR cameras. It's compact as you might have guessed and provides up to 1: 2 magnification without any extra accessories. Very sharp, too. Downside: this is an original series, pre USM EF lens, so you will hear the focusing motor turning. In excellent condition, with only minor cosmetic wear.