Sony FE 135mm F1.8 GM is an Auto Focus (AF) Telephoto Prime lens with 35mm FF max sensor coverage and it is designed to be used with Sony FE mount lenses.
Sony FE 135mm F1.8 GM is compatible with cameras that have Sony FE lens mount.
Max sensor coverage of Sony FE 135mm F1.8 GM is 35mm FF.
Sony FE 135mm F1.8 GM has a fixed focal lenght of 135mm. When mounted on a 35mm FF format camera, it provides an 35mm (FF) equivalent of 135mm.
Sony FE 135mm F1.8 GM has a max aperture of F1.8 and a minimum aperture of F22.