A900 with Sigma 50-500mm 4.0-6.3 aka Bigma
by Frank Nadeau Photos
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Sigma 50-500 EX HSM
by nhl
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Flying Birds at 560 mm
by romy ocon
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Adding teleconverters
by Miljenko Devcic
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Mt. Makiling - Part XV
by romy ocon
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Sigma 50-500mm for Four-Thirds
by Oly Olson
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Sigma 50-500mm F/4.0-6.3 Lens Test on Canon 1D
by Mike Lang
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bigma examples
by Miljenko Devcic
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Mt. Makiling - Part IX
by romy ocon
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Water birds
by Ronnie Potgieter
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