M42 To EOS Adapter For DSLR Video May 21, 2013 by Caleb Pike — 12 Comments Since I’ve covered FD lenses and Nikkor lenses, I thought I’d continue covering various lens mounts and how to adapt them. Today we take a look at M42 lenses. This is the adapter I used, its really cheap ($6.30!) and works great! Fotodiox Black M42 Lens to Canon EOS DSLR Adapter. Quicktime File Recent Posts Panasonic S5 Review: A Fantastic Camera for Video Is this LED Video Light Worth $1,700?! Aputure Nova P300c Review The New Sirui 35mm Anamorphic Lens is Fantastic! Canon R5 and R6 Video Specs: Everything You Need to Know This $800 Cinema Camera is Fantastic!