Fotodiox Pro Lens Mount Adapter - Deckel-Bayonett (Deckel Bayonet, DKL) Mount SLR Lens to Canon EOS M (EF-M Mount) Mirrorless Camera Body with Selectable Clicked / Declicked Aperture Control Adapter Type_Helicoid Adapters Mounts Contax 645 (C645) Mount

Mounts Contax 645 (C645) Mount Lenses to Sony E-mount mirrorless cameras

"stop-down mode" will need to be used when metering since the lens does not have the ability to have its aperture controlled by the camera body

Lens Mount: Olympus Zuiko (OM) 35mm SLR Lens Body Mount: Canon EOS M (EF-M) Mount Mirrorless Camera Body Manufacturer: Fotodiox Inc

Canon EOS (EF / EF-S) D/SLR Lens Body Mount: Micro Four Thirds (MFT

Fotodiox Pro Lens Mount Adapter - Deckel-Bayonett (Deckel Bayonet, DKL) Mount SLR Lens to Canon EOS M (EF-M Mount) Mirrorless Camera Body with Selectable Clicked / Declicked Aperture Control Adapter Type_Helicoid Adapters Mounts Contax 645 (C645) MountFeatures: Mounts Deckel Bayonett (Deckel Bayonet, DKL) Mount SLR Lenses to to Canon EOS M (EF M) mount mirrorless cameras; infinity focus or beyond allowed Enhanced craftsmanship and high tolerance construction for demanding professionals Integrated selectable clicked declicked aperture control dial for adjusting the lens aperture Precise fit and solid connection; lens has no play, gap or wiggling when mounted on adapter and no adjustments required