The sony fe 70 300mm f45 56 g oss telephoto zoom lens adds to the already impressive full frame line up of sony e mount lenses the lens represents the first sony alpha e mount lens to reach a 300mm focal length featuring high resolution and excellent overall optical performance throughout the entirety of its range the telephoto zoom also features a minimum focusing distance of less than 3 feet 09m and a maximum magnification of 031x making it an ideal choice for tele macro photography