Sigma 300-800mm F56 Ex Dg Hsm Apo If Ultra Telephoto Zoom Lens For C - United States

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Optimized for digital SLR cameras Multi-layer lens coating and lens design reduces flare and ghosting Extra Low Dispersion ELD glass elements reduce chromatic aberration to a minimum Hyper Sonic Motor HSM for ultra-quiet shooting Features a drop-in 46 millimeter filter holder Product Description From 300mm telephoto to 800mm ultra-telephoto this new lens provides a constant fast maximum aperture and is optimized for digital SLR cameras This lens covers the telephoto range from 300mm to the ultra-telephoto range up to 800mm By continuously varying the angle of view from 82 to 31 the lens takes a lot of the footwork out of picture composition New coating reduces Ghost and Flare The new multi layer lens coating and lens design reduce flare and ghost which is a common problem with digital cameras and also creates an optimum color balance It is equipped with ELD Extra Low Dispersion glass elements Two ELD glass elements in the front lens elements reduce chromatic aberration to a minimum and also ensure sharp quality images of high contrast HSM Hyper Sonic Motor for Sigma Canon and Nikon mount lenses The HSM models provide silent high-speed and precise auto-focusing with full time manual focus override It also features a drop-in filter It also features a drop-in 46mm filter holder in the rear part of the lens barrel which can be rotated to facilitate the use of filters including a polarizing filter Internal Focusing and Internal Zooming Since focusing and zooming