Review: Sigma 70-200mm f/2.8 EX DG OS HSM APO|
Andrew Alexander, The Imaging Resource
(Monday, October 11, 2010 - 10:43 EDT)
At PMA 2010, Sigma Corporation announced an image-stabilized version of their 70-200mm lens series: the Sigma 70-200mm f/2.8 EX DG OS HSM APO is the result, a complete overhaul of the design. Notable features include a new body design, two new 'FLD' lens elements which Sigma indicates should offer performance on par with Fluorite lens elements, and of course, Optical Stabilization (OS) technology. We've put the lens through its paces in our lab: click here to read our full review of this lens.