Leica M6 TTL Instruction Manual.  type_Instant Colour There is a pretty good

There is a pretty good chance that you already know this

and a rotating zoom ring instead of the first version's push-pull system

Mounts 2x2 slides only (35mm/Superslide or smaller

If you have a real big lens you get the need for a tripod

and is 100% functional with Nikon's film SLRs all the way back to the F

Leica M6 TTL Instruction Manual. &nbsptype_Instant Colour There is a pretty goodOriginal Leitz instructional manual for the M6 TTL. English language copy. Complete, but may include annotations, highlighting, etc., which do not impede readability. Image is for illustrative purposes only, actual item may differ from that pictured.