Canon EF-S 17-55mm f/2.8 IS USM Lens DSLR Cameras
Canon EF-S 17-55mm f/2.8 IS USM Lens DSLR Cameras,Canon has specially designed a new lens with a large aperture of f/2.8 for select Canon Digital SLR cameras. The large circular aperture produces a shallow depth-of-field, creating background blur that draws attention to the photographic subject. The lens construction includes UD and aspherical elements, which deliver [...]