Fotodiox Pro Lens Mount Adapter - Praktica B (PB) SLR Lens to Canon EOS (EF, EF-S) Mount SLR Camera Body four-third Mounts Contax/Yashica (CY) SLR Lenses

Mounts Contax/Yashica (CY) SLR Lenses to Fujifilm X-series mirrorless cameras

Lens Mount: M42 Screw Mount SLR Lens Body Mount: Canon EOS (EF

Lens Mount Nikon F Mount G-Type D/SLR Lens Body Mount Leica M Mount Rangefinder Cameras 6-Bit M-Coding Yes Product Dimensions 2

Lens Mount Olympus Pen F SLR Lens Body Mount Nikon 1-Series Mirrorless Cameras Product Dimensions 2

which means you will get vignetting when you use this adapter and a B4 lens on your camera

Fotodiox Pro Lens Mount Adapter - Praktica B (PB) SLR Lens to Canon EOS (EF, EF-S) Mount SLR Camera Body four-third Mounts Contax/Yashica (CY) SLR LensesFeatures: Mounts Praktica B (PB) SLR Lenses to Canon EOS (EF, EF S) Mount SLR Cameras; infinity focus or beyond guaranteed Enhanced craftsmanship and high tolerance construction for demanding professionals Precise fit and solid connection; lens has no play, gap or wiggling when mounted on adapter and no adjustments required Precision all metal construction with chrome plated brass mounts for secure and solid fit 24 Month Fotodiox warranty Whether