Features: Mounts Konica Auto-Reflex (AR) SLR Lens lenses to Sony Alpha A-Mount (and Minolta AF) Mount SLR 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  Whether you're shooting digitally or on film, Fotodiox offers the world's largest selection of lens adapters. Mix camera/lens platforms or reinvigorate vintage glass; Fotodiox has hundreds of ways to mount lenses onto your DSLR or SLR camera. Our adapters deliver infinity focus, manual aperture control, and a sturdy build for lasting quality. Lens Mount: Konica Auto-Reflex (AR) SLR Lens Body Mount: Sony Alpha A-Mount (and Minolta AF) Mount SLR Camera Manufacturer: Fotodiox Inc. Warranty: 24 Months Note: • This is a manual adapter, so lens functions that rely on electronic communication with the camera body (autofocus, AE metering, image stabilization, etc.) will be disrupted. • Some cameras need to be set a certain way to work with our adapters or you may get a message such as 'Error Lens Not Attached - Check lens'. Please check the on a variety of camera brands. support articles on the Fotodiox Knowledge Base for possible solutions • requires power to engage the manual focus rings on the lens, since manual lens mount adapters do not power the lens, those lenses will not be able to focus. 'Focus-By-Wire' lenses (such as Canon's STM or Nikons AF-P) • Set your exposure manually or meter using your camera's Aperture Priority (stop-down) mode. • If your lens does not have a manual aperture control ring, the lens aperture will revert to its default position, which depending on the lens is either stopped down to its largest f-stop or opened up to its smallest f-stop. • To determine what the new 'Crop Factor' or 'Equivalent Focal Length' of the lens when used on your camera will be, . please check the Fotodiox Knowledge Base article All pictures are for illustration purposes only. Actual product may vary slightly due to ongoing improvements in design.