Canon ef 24mm f28 is usm lens
The ef 24mm f28 is usm lens is the worlds first wide angle prime with image stabilisation and features a fast f28 maximum aperture that is perfect for landscape travel and documentary photography canons image stabilisation allows the use of shutter speeds up to four stops slower than usual and the usm ultrasonic motor provides fast near silent focusing with full time manual focus override for fine adjustment without changing focus modes a seven bladed circular aperture provides beauti