The Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens is compact and lightweight, making it easy to take with you on the go. The DC motor and rubber belt-drive system on the Canon lens keeps costs down while still providing a smooth quiet action. The style of the Canon EF 75-300mm lens (6473A003AA) matches the current Canon EOS camera design. The focus adjustment on the Canon Zoom Lens is a front group rotating extension system with micromotor. The construction of the lens is 13 elements in nine groups. The closest focus distance when using this lens is 4.9 feet. The Canon lens offers a diagonal angle of view of 32 degrees 11' to 8 degrees 15'. The 75-300mm focal length and 1:4-5.6 maximum aperture allows for quality photos shot after shot.