Just posted! Our latest lens review focusing on Sigma's 10-20mm F4-5.6 EX DC HSM ultra-wideangle zoom. A firm favourite with the more budget-conscious APS-C user since its introduction four years ago, this lens is now challenged by some new young pretenders intent on stealing its market share. So can this old warrior still fight off its challengers, or is age beginning to take its toll?

Click here for our review of the Sigma 10-20mm F4-5.6 EX DC HSM