Sigma 70 300mm f4 56 DG Macro Canon AF

High performance lens optimized for use with digital SLR camerasCapable of macro photography, this lens has a 12 maximum close up magnification at the 300 mm focal length. It's the ideal lens for portraits, sports photography, nature photography, and other types of photography that frequently use the telephoto range. It also has a switch for changeover to macro photography at focal lengths between 200mm and 300mm with a maximum close up magnification from 12.9 to 12.SLD Special Low Dispersion glass in this lens provides excellent correction of chromatic aberration. Coating reduces Ghost and FlareThe multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum colour balance through the entire zoom range.SLD Special Low Dispersion glassSLD Special Low Dispersion glass is used in this lens for correction of chromatic aberration. This also corrects for fluctuation of aberration due to focusing. High optical performance is demonstrated throughout the entire zoom range.Macro shooting with maximum magnification 12This lens is capable of macro photography with a 12 maximum close up magnification at the 300mm focal length. The minimum focusing distance is 1.5 m at all zoom settings. It also has a switch for changeover to macro photography at focal lengths between 200mm and 300mm with a maximum close up magnification from 12.9 to 12 and a minimum focusing distance of 95cm. Without changing the distance between camera and subject, you can change the shooting magnification.SpecificationsLens Construction 14 Elements in 10 GroupsAngle of View 34.3degrees 8.2degreesNumber of Diaphragm Blades 9 BladesMinimum Aperture f22Minimum Focusing Distance 150cm 95cmMacro modeMaximum Magnification 14.1 12Macro modeFilter Size Diameter 58mmDimensions Diameter 76.6mm x Length 122mmWeight 545g