Sigma 50-500mm F/4.0-6.3 Lens Test on Canon 1D
by Mike Lang
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Sigma 28 to 200 with K20d, Missouri Botanical Garden
by edmund j. kowalski
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sigma shots
by Mike Bauer
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12 - 24 Sigma tests
by David F
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Sigma 17-70 vs Nikkor 35-70
by Miljenko Devcic
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Sigma 15-30 EX mount, Sigma 1.4x teleconverter
by Alan Hartmann
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Sigma 30mm 1.4
by pavi
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Sigma 8mm
by Nichole Dillon-Lee
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Sigma Sigmatel Spiratone Raynox 135mm f1.8 M42
by Bob Dodds
| 
Sigma Birds in flight
by gardener
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