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(Photo : LEICA – SUMMICRON-M 1:2 / 35mm [7-elements], Leitz Wetzlar Summicron 1:2 / 35mm [8-elements], Ernst Leitz Wetzlar Summarex f=8.5cm 1:1.5, Leitz Wetzlar Summicron 1:2 / 50 [M-rigid-chrom])