58mm

Blog Spotlight

Why Circular Polarizers Still Matter

A high quality circular polarizer is still one of the most important accessories for any photographer’s bag. And the new Sigma...

Sigma dp2 Quattro: First Look

The very first advance shipment of the Sigma dp2 Quattro camera has just arrived, and as I write, our team is preparing a number of these...

Setting up the Session with Sigma's 24-70mm F2.8 EX DG HSM

Many times in my career I’ve had to work in locations I’ve never seen before.  During that time I’ve had maybe 20 minutes to figure out where...

Sigma’s Holiday Season Gift Guide

Jack Howard The days grow shorter and nights get longer. Yes, it’s that season once again, if you can believe it! Holiday Season 2012 is...