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 10 Camera Gear Buying Hacks to SAVE MONEY! This $200 Video Light is Incredible! (Aputure 100D/200D Review) Top 20 Video Gear Picks of the Year! Amazing Video Lighting Hack Using Mirrors! Best Video XLR Shotgun Microphone?