The M42 to Canon EF-M Mount Adapter enables seamless, secure compatibility between your M42 lenses and Canon EF-M mount cameras, without compromising optical performance or manual control.
- Manual cross-system compatibility
- Precision-fit machined threads
- Durable, warp-resistant aluminium
- Anti-reflective matte interior
- No optical interference
- Lifetime warranty
Lens Compatibility
M42 mount lenses
Camera Compatibility
Canon EF-M mount cameras
Adapter Type
Manual
Material
6061 Aluminium
Finish
Anti-reflective anodised, matte black interior
Infinity Focus
Supported
Warranty
Lifetime warranty
To find out more information about the impact of this Urth product, view our Life Cycle Analysis (LCA) report here
Free standard shipping within Canada on orders $100 and over.
Standard shipping: 3-7 days.
Express shipping: 1-3 days.
Please allow an extra 2 days for regional areas.
Made from aerospace-grade aluminium to resist warping, impact and environmental wear — ready for demanding conditions.
Machined to exacting tolerances, the adapter ensures a perfect fit — preserving performance and alignment across your gear.
A Certified B Corp, Urth meets high standards of social and environmental responsibility, ensuring a 10x net-positive impact.
1/4
Set mode to Manual (M) or Aperture Priority (A). In settings, enable "Release Shutter Without Lens". Set lens to Manual Focus (MF) if there's an AF/MF switch.
2/4
Align the lens to the adapter, and rotate clockwise until locked.
3/4
Attach the adapter to your camera as you would a lens, rotating it clockwise until it clicks into place.
4/4
Tenderly press and hold metallic button on adapter and rotate counter-clockwise.
FotodioX doesn’t have sh*t on Urth.
By far the best adapter I’ve ever used.
Worked for me, actually was able to use some of my archived film lenses
Absolutely love it; I've been using it non stop since it arrived!
Perfetto, sulla mia Canon eos M3 ho fatto rivivere i miei Helios 44/2 e Samigon 135 f/2.8. Una Magia. Grazie URTH.
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