Leica noctilux m 50mm f 1 vs voigtl nder nokton 50mm f 1 aspherical?

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From Voigtländer Nokton 50mm f/1 Aspherical: Voigtländer Nokton 50mm f/1 Aspherical: A prime lens by Voigtländer for Full frame cameras, 50mm f/1. Specs - Maker: Voigtländer - Focal length: 50mm (prime) - Maximum aperture: f/1 - Made for: Full frame sensors - Mounts: Sony E, Nikon Z, Canon RF, Leica M - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E, Nikon Z, Canon RF, Leica M): as marked, 50mm. - On APS-C ...

From Leica Noctilux-M 50mm f/1: Leica Noctilux-M 50mm f/1: A prime lens by Leica for Full frame cameras, 50mm f/1. The Noctilux made from 1976 to 2008. Specs - Maker: Leica - Focal length: 50mm (prime) - Maximum aperture: f/1 - Made for: Full frame sensors - Mounts: Leica M - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Leica M): as marked, 50mm. Cameras it fits - Leica M9: Full frame ...

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