Nikon z 40mm f 2 vs viltrox af 40mm f 2 5 air?

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From Viltrox AF 40mm f/2.5 Air: Viltrox AF 40mm f/2.5 Air: A prime lens by Viltrox for Full frame cameras, 40mm f/2.5. Specs - Maker: Viltrox - Focal length: 40mm (prime) - Maximum aperture: f/2.5 - Made for: Full frame sensors - Mounts: Sony E, Nikon Z, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, Nikon Z, L-Mount): as marked, 40mm. - On APS-C (Sony E, Nikon Z, L-Mount): like 60mm on ...

From Nikon Z 40mm f/2: Nikon Z 40mm f/2: A prime lens by Nikon for Full frame cameras, 40mm f/2. Small, cheap and good: Nikon's everyday prime. Specs - Maker: Nikon - Focal length: 40mm (prime) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On full frame (Nikon Z): as marked, 40mm. - On APS-C (Nikon Z): like 60mm on full frame; ...

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