Canon Ef 17-40Mm 4.0L Usm Lens

Canon Canon EF 17-40mm 4.0L USM Lens With superb optical performance and fast auto focus, this lightweight, wide-angle lens is a favourite amongst travel and landscape photographers. The lens boasts a minimum focusing distance of just 28cm, allowing landscape photographers to get right up to the foreground and achieve a dramatic sense of distance in their shots. It is also popular in interior photography, where the focal range from wide-angle 17mm to an almost standard aspherical lens elements are used in conjunction with one and eliminate aberrations and ensure high image quality appropriate to an L-series lens. The ring-type USM focuses very quickly and accurately with no rotation of the front of the lens- allowing effects from polarizers and other filters to remain intact. An almost perfectly circular diaphragm ensures smooth out-of-focus highlights and pleasing background blur. The lens is encased in a rugged body with dust and moisture sealing to protect from the elements. Superb optical performance throughout the zoom range. Fast auto focus. Highly dust and moisture resistant. 28 cm minimum focusing distance at all focal lengths. Ideal for Landscapes, Interiors and Travel. CANON helpline: 0844 3690 100. Depth: 0 MM Height: 0 MM Width: 0 MM... More