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Sigma 50-500 f4-6.3 EX DG Pentax Fa-KAF Zoom Lens USA Description
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Sigma 50-500mm f/4.0-6.3 EX DG HSM is a digital ready zoom lens specifically designed to work with both digital and film based SLR cameras.
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This Sigma 50-500 DG lens is in Pentax FA and KAF autofocus compatible mount, for use with Pentax 35mm and digital SLR systems, such as *ist-ds, *ist-dl, *ist, ZX60, ZX30, M-ZS etc.
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This Pentax mount version of Sigma 50-500 DG does not have the HSM motor built into the Canon, Sigma and Nikon versions.
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Compatible with separately purchased Sigma 1.4x APO EX and 2x APO EX dedicated teleconverters.
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Filter size 86c (86mm coarse thread).
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Minimum Aperture :F22.
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Lens Construction :20 Elements in 16 Groups.
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Angle of View :46.8?- 5?.
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Number of Diaphragm Blades : 9.
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Minimum Focusing Distance :100cm ?300cm/39.3-118.1 inches.
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Maximum Magnification :1:5.2.
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Lens dimensions DxL: 95mm/3.7 in. x 218.5mm/8.6 in.
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Sigma 50-500 EX DG weighs 1842g/64.9 oz.
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