M42 to Canon EOS EF adapter, no chip - SovietCameraStore.com
Urth M42 Lens Mount to Canon EF-M Camera Mount Adapter ULMA-M42-EF-M
FotodioX Type 1 Pro Lens Mount Adapter M42-EOS-PRO-V1-FC10 B&H
M42 Screw Mount SLR Lens to Canon EOS Mount SLR Camera Body Adapter – Fotodiox, Inc. USA
Canon EOS EF-M42 Macro Adapter | Pixco - Provide Professional Photographic Equipment Accessories
CANON 42 AUTO
Fotodiox Lens Mount Adapter Compatible with M42 Type 2 Screw Mount SLR – Fotodiox, Inc. USA
Amazon.com : Fotodiox Lens Mount Adapter Compatible with M42 Type 2 Screw Mount SLR Lens to Canon EOS (EF, EF-S) Mount D/SLR Camera Body - with Gen10 Focus Confirmation Chip : Electronics
M42 Screw Mount SLR Lens to Canon EOS Mount SLR Camera Body Adapter – Fotodiox, Inc. USA
Amazon.com : Fotodiox Lens Mount Adapter - Compatible with Black M42 (42mm x1 Thread Mount) Lens to Canon EOS (EF, EF-S) Mount D/SLR Cameras : Camera Lens Adapters : Electronics
K&F Concept M10131 M42 Lenses to Canon EF Lens Mount Adapter - KENTFAITH
M42 Screw Mount SLR Lenses to Canon EOS (EF, EF-S) Mount M42-EOS PRO K&F Concept M10135 Lens Adapter - KENTFAITH