Fit a mount lenses on a full frame or aps c camera get more from your full frame or aps c e mount camera with this a mount lens adapter an aperture mechanism supports auto exposure for sharp images smooth responsive autofocus crisp images with translucent mirror technology shoot stills or movies in sharp detail with a built in 15 ttl af system and three cross sensors continuous phase detection keeps shooting smooth and focused fit a mount lenses on a full frame camera continuous af with transluc