Amazon.com : Fotodiox Pro Lens Mount Adapters, Contax 645 (C645) Mount Lenses to Fujifilm X-Series Mirrorless Camera Adapter - fits X-Mount Camera Bodies Such as X-Pro1, X-E1, X-M1, X-A1, X-E2, X-T1 :
Amazon.com : Fotodiox Pro Lens Mount Adapter, Contax G Lens to Fujifilm X Camera Body (X-Mount), for Fujifilm X-Pro1, X-E1 Mirrorless Camera : Electronics