Canon EF 75-300mm 1:4-5.6III USM, 75 - 300 mm Canon EF 75-300mm 1:4-5.6III USM. Focal length range: 75 - 300 mm, Thread diameter: 7.1 mm. Product colour: Black. Filter size: 58 mm, Weight: 480 g. Magnification: 0.25x