TAMRON lenses are known to be excellent and innovative optics featuring the latest in optical design technology. TAMRON currently produces Autofocus lenses to fit the major camera manufacturers CANON, MINOLTA, NIKON and PENTAX. and are a viable but less expensive alternative to the original lenses. TAMRON also produced a wide range of top-class optics as manual focus lenses which utilised the famous ADAPTALL MOUNT lens mount system. This APAPTALL system works with lens mount adapters which are available to fit virtually all Manual Focus Camera Systems like CANON FD, NIKON AIS, LEICA R, CONTAX MM, MINOLTA MD, PENTAX K, OLYMPUS OM and many more.