Leica's Worst Summicron 50mm F/2 is one of the Best (and Priciest) Legacy Fifties Around - Summicron V3 Lens Review - Casual Photophile
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Leica 50mm APO-Summicron-M ASPH f/2.0 review, sampel photos and interview with the lens designer Peter Karbe - Thorsten Overgaard's Leica Photography Pages
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