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Sigma 24-70 f2.8 EX DG Macro AF Zoom Lens for Canon EOS SLRs Description
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Sigma 24-70/2.8 EX DG Macro, in Canon EOS EF autofocus mount, is a large aperture standard zoom lens providing superior performance both for digital 35mm film Canon EOS SLR cameras.
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Compatible Canon EOS systems include Digital Rebel, EOS20d, EOS 1Ds, EOS 1v, EOS 3, Elan 7ne and Rebel T2 and other EF lens mount bodies.
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To achieve an F2.8 aperture at all focal lengths, Sigma 24-70 f/2.8 EXDG Macro employs three aspherical lenses to provide optimum aberration compensation.
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Two Special Low Dispersion (SLD) glass elements are provided for color aberration compensation, to assure high image quality.
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Optimized for digital SLR cameras, this Sigma zoom incorporates Super Multi Layer Coating to reduce the influence of harmful light caused by reflections from the digital image sensor.
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Excellent correction of aberrations via two SLD elements, one Glass Mold Aspherical plus two Hybrid Aspherical lenses.
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Minimum focusing distance of 40cm (15.7 inches).
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Dual Focus (DF) system is designed to make the lens easy to hold during autofocusing, and yet provides a large focus ring for easy manual focusing.
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Since the front of the lens does not rotate, a Petal-type hood and circular polarizing filters can be easily used.
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Angle of View 84.1 -34.3 degrees.
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Number of Diaphragm Blades 9 Blades.
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Minimum Aperture F32.
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Minimum Focusing Distance 15.7 inches/40cm.
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Maximum Magnification 1:3.8.
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Filter Size 82mm.
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Dimensions DxL: 3.55 x 4.62 inches/88.7mm x 115.5mm.
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Sigma 24-70/2.8 EXDG Macro weighs 25.2oz./715g.
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