Friday, December 4, 2009 
<A target="_blank" href="http://www.sigmaphoto.com/lenses/lenses_all_details.asp?id=3364&navigator=6">Sigma Corporation announced its newly upgraded 17-70mm F2.8-4 DC Macro OS HSM</A> lens. This large aperture, standard zoom lens includes Optical Stabilization (OS) / anti-shake technology. The lenses are available at a dealer near you.
