Lens adapter Ring with flange for M42 Screw Mount compatible Canon EOS 1D X MARK III 6D II 5D IV 850D 750D 650D 550D 450D 7D 77D 1300D Cameras

This adapter ring allows M42 Screw Mount lenses (Pentax, Praktica, Mamiya, Carl Zeiss, ……...) to be used on Canon EOS EF and EF-S Lens Mount Cameras (Film SLR and Digital SLR). It is possible to use Macro rings and other accessories. Notice: Although the lens will fit physically, automatic diaphragm, auto focusing, or any other functions will not operate correctly while using this adapter. Autofocus is not possible, there are no electronic contacts. All actions when changing camera settings must be done manually. Both camera-side and lens-side of the adapter are made of brass, precision-machined and plated with chromium. Precise fit and solid connection - lens has no play, gap or wiggling when mounted on adapter and no adjustments are required to fit your lens. Designed to reach infinity focus while maintaining the correct registration distance required to support CRC lenses or lenses with floating elements. Compatible with Canon EOS DSLR/SLR camera with EF EF-S Lens Mount systems and M42 Screw Mount lenses.