Reviews and Problems with Sigma APO 70-300mm F4-5.6 DG MACRO
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Value for money 4
Overall quality 4
Build quality 5
Sigma AF 70-300mm f/4-5.6 DG APO macro - Review / Test Report
31 March 2008
Conclusion: The Sigma AF 70-300mm f/4-5.6 DG APO macro came close to a surprise but it still hasn´t won the cigar. It delivered pretty decent results in most aspects, specifically at 70mm and 200mm, but at 300mm the border resolution is nothing short of dismal - certainly not apochromatic as claimed by Sigma (nor would we really expect that from such a budget lens).