Thursday, March 10, 2011 review of Sigma 17-50 f/2.8 OS

Readers looking for a fast and stabilized standard zoom lens may want to read this review of Sigma's 17-50 f/2.8 OS (Canon version reviewed):

Similar lenses (other than Canon's 17-55 IS and Nikon's non-stabilized 17-55): Tamron 17-50 f/2.8 VC and Sigma 17-70 f/2.8-4.0 OS