Description of Sigma 70-300mm APO DG Canon:
The Sigma 70-300mm canon mount telephoto zoom lens with tele-macro function, optimized for digital cameras. The high performance of 70-300mm is ideal for digital SLR cameras. This lens has two SLD glass elements in the front lens group and one in the rear lens group the 70-300mm is able to shoot with maximum magnification 1:2 at the focal length of 300mm. 70-300mm is ideal lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range.
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Sigma 70-300mm APO DG Canon Key Features:
New coating reduces Ghost and Flare: The new multi layer 70-300mm lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum color balance through the entire zoom 70mm - 300mm range.
Sigma 70-300mm is equipped with three pieces of SLD glass for high image quality: The 70-300mm lens has two SLD (Special Low Dispersion) glass elements in the front lens group and one in the rear lens group, the lens has excellent correction of chromatic aberration through the entire zoom 70mm - 300mm range.
Macro shooting with maximum magnification 1:2 in Sigma 70-300mm: High optical performance is demonstrated throughout the entire zoom 70mm - 300mm range. 70-300mm also has a switch that converts the lens to macro photography at focal lengths between 200mm and 300mm with a minimum focusing distance of 95cm (37.4 inches). In normal mode the minimum focusing distance in 70-300mm is 150cm (59.1 inches) at all zoom settings. Maximum magnification between 200mm and 300mm is 1:2.9 to 1:2