Review: Sigma 50-200mm f/4-5.6 DC OS HSM|
Andrew Alexander, The Imaging Resource
(Tuesday, October 27, 2009 - 21:56 EDT)
At PMA 2009, Sigma announced an updated version of its consumer telephoto zoom, the Sigma 50-200mm f/4-5.6 DC OS HSM. In addition to getting a little bit wider (50mm instead of the pre-existing 55-200mm version), the big addition was optical image stabilization. We've finished putting the lens through its paces in our test lab: click here to read our full review of this lens.