The Sigma APO 50-150mm f/2.8 EX DC HSM is a perfect large aperture lens. High image quality of the Sigma APO 50-150mm lens is assured throughout the entire zoom range.
The Sigma APO 50-150mm f/2.8 EX DC HSM lens features HSM (Hyper Sonic Motor) system that ensures quiet and high-speed auto focusing with full time manual focus override. The addition of the Sigma 1.4x EX DG APO or 2x EX DG APO Tele Converters (optional extras) produces a 70-210mm f/4.0 AF tele-zoom lens and a 100-300mm f/5.6 AF ultra-telephoto zoom lens respectively. The compact, lightweight, large aperture Sigma APO 50-150mm f/2.8 EX DC HSM telephoto zoom lens is designed exclusively for digital SLR cameras and incorporates the very latest optical technology.
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Ephotozine reviews the Sigma APO 50-150mm f/2.8 EX DC HSM and writes:
“With a compact size and weight alleviating the need for a tripod collar and the third generation of Sigma’s HSM focussing motor making the AF very quick, the lens is fast in every sense and easy to handle. Smooth operating control rings add to the feel of a nice lens that should find it’s way into a good number of kit bags!”
Features:
• Compact and lightweight
• Incorporation of the very latest optical technology
• High image quality is assured throughout the entire zoom range
• Four SLD glass elements are used for utmost correction of chromatic aberrations
• 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-ConvertersSpecifications:
• Focal length: 50-150mm
• Minimum aperture: f/22
• Lens construction: 18 elements in 14 groups
• Angle of view: 27.9° – 9.5°
• Number of diaphragm blades: 9pcs
• Minimum focusing distance: 100cm (39.4″)
• Maximum magnification: 1:5.3
• Filter size: 67 mm
• Lens hood: Bayonet type
• Dimensions: Diameter 76.3 mm (3.0”) x length 135.1 mm (5.3”)
• Weight: 770g / 27.2oz