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's Art line of lenses is known for quality and superiority, while still maintaining a more affordable advantage over similar lenses. The company has unveiled a new macro full-frame lens for ...

Weighing in at 885 grams and measuring nearly 11cm in length, the Sigma 24-105mm F4 DG OS HSM is quite a big lens given its focal length, and signficantly heavier than the equivalent Canon EF 24-105mm ...

I've been reviewing hardware and software, devising testing methodology and handed out buying advice for what seems like forever; I'm currently absorbed by computers and gaming hardware, but ...

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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