K&F Concept Lens Mount Adapter for M42 Screw Mount SLR Lenses to Canon EOS R

Details

• Allows M42 lenses to be used on a Canon EOS R mount camera body.
• Compatible with Canon EOS R mount series mirrorless camera.
• Made of brass and aluminum. Stable, precise and durable construction. Manually operated. Infinity focus allowed.
• For heavy medium format lenses, we suggest to use with a telephoto bracket and a tripod to balance its weight when shooting.
• Full manual control, manual focusing, aperture priority, infinity focus.
• Please note: when using the adapter ring for the first time, please turn on the release shutter w/o lensoption in the menu, otherwise the adapter lens will not be recognized.