EFS 17-85mm IS f4-5.6 Err 01 Err 99
by Barry S Moore
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Canon EF 35mm F2.0 vs Canon EF 35mm F1.4
by Yu-Lin Chan
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optical allusions
by john/
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Photos taken with Fuji X20
by GaleriaFotoStefan
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Sigma 10-20mm vs. Nikon 17-35mm Test
by Michael Ng
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C16: Optical Illusions - Originals
by Konica Minolta Users
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Nikon D3200
by GaleriaFotoStefan
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ADVA Optical Networking Conference in Munich Germany - October 2006
by Chuck Simet
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10 inch Serrurier truss Newtonian
by Rolf Olsen
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M42 - CZJ 135/3.5
by John Winterbourne
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