CANON Sigma 70-300 mm F/4.0-5.6 - (West Flagstaff in Flagstaff, AZ

This lens has two SLD (Special Low Dispersion) glass elements in the front lens group and one in the rear lens group for correction of chromatic aberration throughout the entire zoom range. It is capable of macro photography with a 1:2 maximum close-up magnification at the 300 mm focal length. It also has a switch for changeover to macro photograph