It's hard not to think of the Sigma 105mm F1.4 DGH HSM Art ($1,599) as a speciality lens, specifically one for portraiture. It's a big, pricey, chunky piece of glass, but one with a short telephoto ...

Reviews / Sigma 105mm f/2.8 EX DG Macro Interchangeable Lens Review Ian Andrews takes a look at the Sigma 105mm f/2.8 EX CG Macro. 15 May 2006 12:00AM by Ian Andrews | Sigma AF 105mm f/2.8 Macro EX DG ...

Sigma has launched the new 105mm F1.4 Art and 70mm F2.8 Macro Art lenses, as well as announcing that 9 of its Art lenses will be made available for Sony E-mount full-frame cameras. Sigma's new Sony ...

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