Sigma 500mm f/4.5 EX
by Greg Lavaty
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Sigma 500mm f/4.5 APO AF
by Greg Lavaty
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Sigma 50-500mm F/4.0-6.3 Lens Test on Canon 1D
by Mike Lang
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Sigma 50-500mm f/4-6.3 EX DG/HSM
by Sergio Manor
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Sigma 150-500mm f/5-6.3 AF APO DG OS HSM
by Greg Lavaty
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Sigma 170-500mm f/5-6.3 APO Lens (taken by EOS 3)
by Jacky Lee
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Sigma 150-500mm test shots
by Nick Powell
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Evaluation of the Sigma 150-500mm OS Zoom Lens
by Gus Stangeland
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Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary
by Greg Lavaty
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Nikon D300 / D200 with vertical grip fitted with AF-SDX VR 18-200 f/3.5~5.6G IF-G
by chriswhitehead07
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