Sigma 24mm 1.8 EX DG different versions?: Nikon DX SLR (D40-D90, D3000-D7500) Talk Forum: Digital Photography Review
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Amazon.com : Sigma 24mm f/1.8 EX DG Aspherical Macro Large Aperture Wide Angle Lens for Canon SLR Cameras (OLD MODEL) : Camera Lenses : Electronics
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