Canon EF 17-40mm f/4 L USM Lens in Bangladesh
Canon EF 17-40mm f/4 L USM Lens is one of the first lightweight pro-level L-series zoom lenses. This lens is built with a 17-40mm focal length and a constant f/4 maximum aperture. This is a group 9 lens that comes with 12 elements and 104° – 57° 30′ diagonal angle of view. It also has a 53° zoom ring rotation.
It offers both Canon’s full-time manual focus and a powerful ring-type USM for fast and silent capture. This camera has 11.02″ (280mm) minimum focusing distance with 77mm filter size. The maximum close up magnification of this lens is 0.25x. It measures 3.31 x 3.82″ (84 x 97mm) in length and weighs only 16.8 oz (475g).