Fotodiox Pro Lens Mount Adapter - Yashica 230 AF SLR Lens to Canon EOS M (EF-M Mount) Mirrorless Camera Body with Built-In Aperture Control Dial Lens Mount_Arri Bayonet Lens Mount: Contax/Yashica (CY) SLR

Lens Mount: Contax/Yashica (CY) SLR Lens Body Mount: Micro Four Thirds (MFT

2 x 7 x 4 cm)

Craigslist and practically anywhere that sells used video production gear

Sony NEX-3

however some enterprising individuals have come up with some kludge solutions that may be worth trying: Fotodiox adapter to mount Mamiya E lenses on Sony E cameras by Visual Miscellany

Fotodiox Pro Lens Mount Adapter - Yashica 230 AF SLR Lens to Canon EOS M (EF-M Mount) Mirrorless Camera Body with Built-In Aperture Control Dial Lens Mount_Arri Bayonet Lens Mount: Contax/Yashica (CY) SLRFeatures: Mounts Yashica 230 AF 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 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 Precision all metal construction with chrome plated brass