This video is about Fast 50s. We were curious just how sharp all of these lenses were in the center and the corner. The 50s were put into two different groups, first the fast group. 7artisans, Mitakon Speedmaster, and the Canon 50mm/1.2 L. Then we added the Leica 50/2 Summicron and Zeiss Loxia 2/50 and compared them against the entire group. Our test cameras was a Sony a7. What we found was the Mitakon Speedmaster was the sharpest in the center within the fast group. The Canon was sharpest in the corner from the fast group. When looking at all five lenses as one group, we believe the Leica is the sharpest both at the center and the corner. Watch the video and let us know how you believe we interpreted the results. We want your opinion. Download the RAW files at the bottom of this post. I had to split the files into three folders to keep each ZIPed folder under 250mb each. Download the RAW files at the link below. The file numbers and apertures are here for your reference. 7artisans 1.1/50mm 1936 @ f/1.1 1937 @ f/1.4 1938 @ f/2 1939 @ f/2.8 1940 @ f/4 Mitakon Speedmaster 0.95/50mm (67mm filter thread) 1946 @ f/0.95 1947 @ f/1.4 1948 @ f/2 1949 @ f/2.8 1950 @ f/4 Canon 50/1.2L 1951 @ f/1.2 1952 @ f/1.4 1953 @ f/2 1954 @ f/2.8 1955 @ f/4 Leica Summicron 2/50 1956 @ f/2 1957 @ f/2.8 1958 @ f/4 Zeis Loxia 2/50mm 1959 @ f/2 1960 @ f/2.8 1961 @ f/4 ![]()
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