Fotodiox Lens Mount Adapter - Contax G SLR Lens to Micro Four Thirds (MFT, M4/3) Mount Mirrorless Camera Body with Built-In Focus Control Dial Mounts Contax G SLR Lenses to Micro Four Thirds (MFT) mount mirrorless cameras High-tolerance precision craftsmanship; infinity focus or beyond allowed All-metal design; hardened anodized aluminum construction Premium grade Fotodiox adapter 24-Month Fotodiox Warranty