Component for: SLR Wide lens Black Lens structure (elements/groups): 9/7 Closest focusing distance: 0.23 m High-quality wide-angle lensA 28mm wide-angle prime lens offering an 75° angle of view on full-frame DSLRs. On EOS cameras with APS-C sized sensors it makes a great standard lens, offering the equivalent view to a 45mm lens on a full-frame camera.Shoot in low-light conditionsA maximum aperture of f/2.8 permits hand-held photography in available light without the use of flash. Image stabilisation allows shutter speeds up to four stops slower than normal to be used without the risk of camera shake.Fast, quiet autofocusCanons ultrasonic autofocus motor (USM) provides fast, near-silent focusing. Full-time manual-focus override permits fine adjustment without changing focus modes.Close focusingGet as near to your subject as 0.23m, and enjoy a dramatic wide-angle perspective.Space- saving designWeighing just 260g and measuring 68.4mm x 51.5mm in size, the EF 28mm f/2.8 IS USM is a lens