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| Sigma Super Telephoto 800mm f/5.6 EX DG APO HSM Autofocus Lens for Canon EOS |
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The Sigma 800mm f/5.6 EX DG APO HSM is an apochromatic extreme-telephoto lens with a fast f/5.6 maximum aperture. The ultra-quiet Hyper Sonic Motor (H.S.M.) and Internal Focusing features assist autofocus speed and handling.
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