ZY Optics announces Mitakon 50mm f/0.95 lens for Leica M with improved optics. Unlike the Canon RF, Nikon Z and Sony E mount versions of the lens, the Leica M mount version is constructed of 11 elements in 8 groups, including multiple extra-low dispersion elements. Additionally, the Leica version of the Mitakon Speedmaster 50mm F0.95 lens features a rangefinder coupling system for focus assistance.
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https://www.dailycameranews.com/2021/01/zy-optics-announces-mitakon-50mm-f-0-95-lens-for-leica-m-mount/