Nikon 135mm f3.5 AI-S Nikkor (Cine mod) eos 3 It's pretty clever

It's pretty clever

PK-A mount accepts any K mount and transmits electronic exposure information for K-A types

the cosmetic trim ring around the edge of the lens barrel is missing

Includes slide copier attachment

and it's not an effect easily achieved in post

Nikon 135mm f3.5 AI-S Nikkor (Cine mod) eos 3 It's pretty cleverThis Nikon 135mm f3. 5 AI S Nikkor lens is a compact short telephoto lens for Nikon F mount. This lens has been modified with a semi permanent geared focus ring and a declicked aperture; there's a removable adapter threaded into the front which provides an 80mm outside diameter for mattebox mounting. Light cosmetic wear, clean glass, good function.