Testing the Sigma 17-50mm f/2.8 EX DC OS HSM Lens

ISO 12233 Resolution Chart and Lens Specifications and Measurements Tools have been added to the Sigma 17-50mm f/2.8 EX DC OS HSM Lens Review page.

Posted: 8/11/2010 11:45:07 AM CT   Posted By: Bryan
Posted to: Canon News, Sony News    Category: Camera Gear Review News
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