The all-metal adapter is designed to fit the lens securely, yet can still be removed easily when not needed.
High-tolerance precision craftsmanship; infinity focus or beyond allowed.
Although the lens will fit physically, automatic diaphragm (AE metering), or other auto functions are not retained using this adapter.
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.
Satin surface finish
NOT suitable for the Pentax Takumar lens. The enlarged lip of the flange adapter is designed to depress the aperture pin of the lens to allow full aperture control on most M42 lenses.
M42 Screw Mount SLR Lens
All Canon EOS Mount Camera
(such as:850D/1DX III/250D/90D/4000D/2000D/6D II/200D/77D/5D IV/1300D/80D/1DX II/5DS/5DS R/760D/750D/7D II/1D/6D/7D/5DIII/5DII/100D/700D/650D/600D/550D/1100D/1000D/500D/70D/60D/50D/40D..etc)