| Sigma APO 50-150mm F2.8 II EX DC HSM |
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| Written by Nature Sniper | ||||||
| Monday, 03 December 2007 | ||||||
The Sigma Corporation is pleased to announce the launch of the new APO 50-150mm F2.8 II EX DC HSM lens.  Sigma APO 50-150mm F2.8 II EX DC HSM This large aperture telephoto zoom lens is designed exclusively for digital SLR cameras with APS-C size sensors and its compact, lightweight body provides freedom of movement and versatility. The minimum focusing distance of 100cm/39.4in. and the high-resolution power layout have improved the strength of the lens in close-up photography. This lens offers a large aperture of F2.8 and its large depth of field offers greater freedom of creative expression. It has a maximum aperture of F2.8. Four SLD glass elements are used for maximum correction of chromatic aberrations. The super multi-layer lens coating reduce flare and ghosting and ensure sharp images throughout the entire zoom range. The lens design incorporates an inner focusing and inner zooming system. As the overall length of the lens does not change during focusing and zooming, convenient handling is ensured. The HSM (Hyper Sonic Motor) system allows quiet and high-speed auto focusing with full time manual focus override by just rotating the focusing ring. The addition of the optional 1.4x EX DG APO or 2x EX DG APO Tele Converters produce a 70-210mm F4 AF tele-zoom lens and a 100-300mm F5.6 AF ultra-telephoto zoom lens respectively. Vignetting will occur if the lens is used with digital cameras with image sensors larger than APS-C size or 35mm SLR cameras. Features: * Compact, lightweight, large aperture telephoto zoom lens * SLD（Special Low Dispersion）glass elements and the super multi layer lens coating assured high image throughout the entire zoom range. * The new lens design ensures high image quality at the minimum focusing distance of 100cm/39.4in. * Equipped with HSM (Hyper Sonic Motor) with full-time manual focus override. * Compatible with Sigma 1.4x EX DG and 2x EX DG APO Tele-Converters Specification * Lens construction : 18Elements 14Groups * Angle of view : 27.9 °-9.5° * Number of blades : 9pcs * Minimum Aperture : F22 * Minimum Focusing Distance : 100cm/39.4in * Maximum Magnification : 1:5.3 * Filter Size: ?67mm * Lens Hood: Bayonet Type * Dimensions(Diameter X Length) : 76.5mm X 140.2mm / 3 in. X 5.5 in. * Weight : 780g / 27.5 oz Accessories DG UV 67 mm DG WIDE CIRCULAR PL 67mm LENS HOOD LH732-01 (Supplied) Current Related News
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