Sigma 12-24mm F4.5-5.6 EX DG Aspherical HSM User Reviews

Wideangle zoom lens | Canon EF, Pentax KAF, Sony/Minolta Alpha, Sigma SA Bayonet, Nikon F (FX)

used on my A900. Great viewing angle but lacking sharpness in the corners. Solid build. Didn't realize the sunshade at the beginnning and wondered about the vignetting :). very versatile, great colors.

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