Fotodiox Pro Lens Mount Double Adapter, Mamiya RB67/RZ67 Mount and Canon EOS (EF / EF-S) D/SLR Lenses to Fujifilm Fuji X-Series Mirrorless Camera Body Camera Mount_C-Mount This adapter will severely Vignette

This adapter will severely  Vignette when Iris closes down

Lens Mount: Select Contax G SLR Lens Body Mount: Micro Four Thirds (MFT

You can easily find B4 lenses on KEH

The Pro line of adapters is crafted to withstand the rigors and demands of the professional photographer

If your lens is not in focus when the focusing ring is set to the infinity mark

Fotodiox Pro Lens Mount Double Adapter, Mamiya RB67/RZ67 Mount and Canon EOS (EF / EF-S) D/SLR Lenses to Fujifilm Fuji X-Series Mirrorless Camera Body Camera Mount_C-Mount This adapter will severely VignetteFeatures: Mounts Mamiya RB67 RZ67 SLR Lenses to Fujifilm X series mirrorless cameras; infinity focus or beyond guaranteed Integrated focus control dial for adjusting the lens focus 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