Sigma Birds in flight
by gardener
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Sigma 12-24mm f/4.5-5.6 DG HSM II - Nikon
by GaleriaFotoStefan
| 
Photo Class II Week 3
by lscrabeck
| 
5/18/2014 Sonoma Historics - Sigma
by Chuck Lantz
| 
Zwartkopgors - Black Headed Bunting
by Richard Diepstraten
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Lens Test - Nominal II
by Ian Grey
| 
MACROS - Sigma 105mm f/2.8 EX DG Macro
by Sergio Manor
| 
Sigma 35mm DG HSM ART vs Canon 35mm 1.4 L USM
by Andreas Isenegger
| 
Sigma DP1 & DP2 Gallery
by Rich Rivera
| 
sigma sd1 merrill
by Dave Belcher
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