Voigtl nder ultron 40mm f 2 aspherical sl iis vs zeiss milvus 50mm f 1 4?

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From Voigtländer Ultron 40mm f/2 Aspherical SL IIs: Voigtländer Ultron 40mm f/2 Aspherical SL IIs: A prime lens by Voigtländer for Full frame cameras, 40mm f/2. Specs - Maker: Voigtländer - Focal length: 40mm (prime) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Nikon F - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Nikon F): as marked, 40mm. - On APS-C (Nikon F): like 60mm on full frame; f/2 gives about the depth ...

From Zeiss Milvus 50mm f/1.4: Zeiss Milvus 50mm f/1.4: A prime lens by Zeiss for Full frame cameras, 50mm f/1.4. Specs - Maker: Zeiss - Focal length: 50mm (prime) - Maximum aperture: f/1.4 - Made for: Full frame sensors - Mounts: Canon EF, Nikon F - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Canon EF, Nikon F): as marked, 50mm. - On APS-C (Nikon F): like 75mm on full frame; f/1.4 ...

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