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 The Perfect “Mini Cine” Camera Rig for Video Entire Video Studio on One Cart Anamorphic Cinema Lens Set Under $3,000! Entire Youtube Studio IN ONE CASE! Video Desk Setup for Under $2,000!