Sigma 70-200mm f/2.8 EX DG APO HSM Telephoto Zoom w/ Macro, AF Lens for Canon EOS
This large aperture zoom lens has improved optical performance and retains close-up ability with a minimum focusing distance of 100cm/39.4in and maximum magnification ration of 1:3.5. This lens is suitable for taking all type of subjects such as portraits, landscape, and close-up pictures. Two SLD (Special Low Dispersion) and three ELD (Extraordinary Low Dispersion) glass elements provide excellent correction for all types of aberrations. High image quality is assured throughout the entire zoom range. The super multi-layer coating reduces flare and ghosting. This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF as well as full-time manual focusing capability. The lens design incorporates an inner focusing and inner zooming systems. The overall length of the lens does not change during focusing and zooming, ensuring convenient handling. A removable tripod collar (TS-21) is included as a standard component. When this lens is used with the optional 1.4x EX DG APO or 2x EX DG APO Tele Converters, it becomes a 98-280mm F4 AF telephoto zoom lens or a 140-400mm F5.6 AF telephoto zoom lens respectively.

Sigma 70-200mm f/2.8 EX DG APO HSM Telephoto Zoom w/ Macro, AF Lens for Canon EOS
* Lens Construction: 18 Elements in 15 Groups * Angle of View: 34.3 - 12.3 degrees * Number of Diaphragm Blades: 9 Blades * Minimum Aperture: F22 * Minimum Focusing Distance: 100cm/39.4 in. * Maximum Magnification: 1:3.5 * Filter Size: Diameter 77mm * Filter Size: Petal-type Hood * Dimensions: Diameter 86.5mm X Length 184.4mm (3.4 in. X 7.3 in.) * Weight: 1370g/48.3 oz. More Product Information for the Sigma 70-200mm f/2.8 EX DG APO HSM Telephoto Zoom w/ Macro, AF Lens for Canon EOS Sigma Corporation is pleased to announce the launch of the new APO 70-200mm F2.8 EX DG MACRO HSM lens. This large aperture telephoto zoom lens has a minimum focusing distance of 100cm (39.4 inches) throughout the entire zoom range. It is very convenient for close-up photography. This lens uses two ELD (Extraordinary Low Dispersion) glasses and two SLD (Special Low Dispersion) glasses for utmost correction against chromatic aberrations. This lens super multi layer lens coating reduce flare and ghost, which is a common problem with digital cameras. This lens incorporates HSM (Hyper Sonic Motor), which ensures a quiet and high-speed AF. The lens design incorporates an inner focusing and inner zooming systems. The overall length of the lens does not change during focusing and zooming, ensuring convenient handling. General Information Manufacturer Sigma Corporation Manufacturer Part Number 579101 Manufacturer Website Address www.sigma-photo.com Brand Name Sigma Product Name APO 70-200mm F2.8 EX DG Macro HSM Telephoto Zoom Lens Product Type Telephoto Zoom Lens Technical Information Minimum Focal Length 70mm Maximum Focal Length 200mm Magnification 0.28x Aperture Range f/2.8 Minimum Focus Distance 39.37" Filter Attachment Diameter 77mm Lens Construction 18 Elements in 15 Groups Physical Characteristics Dimensions 7.3" Length x 3.4" Diameter Weight 48.68 oz Miscellaneous Compatibility