Canon EF 75-300mm f/4-5.6 III is a telephoto zoom lens. The lens features 75-300mm at focal length with maximum aperture of 1:4-5.6. The lens construction has 13 elements in 9 groups with diagonal angle of view at 32 (at 11 feet) to 8 degrees (at 15 feet). Closest focusing distance: 4.9 feet with zoom rotating [...]