Sigma 28mm F1.8 EX DG Aspherical Macro
Wideangle prime lens | Canon EF, Nikon F (FX), Pentax KAF, Sony Alpha, Sigma SA
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Review of Sigma 28mm f/1.8 EX DG Aspherical Macro
By: SLR Gear
There's a lot to like about the Sigma 28mm /1.8 - while it doesn't offer its best results for sharpness or corner shading when used wide open at /1.8, especially on full-frame, it's actually fairly decent.