The M42 to Micro Four Thirds (M4/3) Mount Adapter enables seamless, secure compatibility between your M42 lenses and Micro Four Thirds (M4/3) 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
Micro Four Thirds (M4/3) 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 the continental US for orders $100 and over.
We deliver with USPS, UPS and DHL express for faster and safer delivery.
Standard shipping:
US: 3-7 days.
Rest of World: 8-18 days.
Express shipping:
US: 2-4 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.
1/3
Set mode to Manual (M) or Aperture Priority (A). Set lens to Manual Focus (MF) if there's an AF/MF switch.
2/3
Align the red dots on your lens and adapter, and rotate clockwise until locked.
3/3
Attach the adapter to your camera as you would a lens, rotating it clockwise until it clicks into place.
You better buy a good quality adapter for your 'expensive' camera that does not let in light or dust with a snug fit. Ruth stands for quality and environmental care which makes it for me my number one choice for adapters.
You better buy a good quality adapter for your 'expensive' camera that does not let in light or dust with a snug fit. Ruth stands for quality and environmental care which makes it for me my number one choice for adapters.
extremely well done, excellent design
Beautiful, easy to use, and very well made!
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