Sigma 45mm f 2 8 dg contemporary vs 7artisans af 40mm f 2 5?

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From Sigma 45mm f/2.8 DG Contemporary: Sigma 45mm f/2.8 DG Contemporary: A prime lens by Sigma for Full frame cameras, 45mm f/2.8. A small metal standard prime with a soft, classic look wide open; sold as the 45mm f/2.8 DG DN before 2025. Specs - Maker: Sigma - Focal length: 45mm (prime) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame ...

From 7Artisans AF 40mm f/2.5: 7Artisans AF 40mm f/2.5: A prime lens by 7Artisans for Full frame cameras, 40mm f/2.5. Specs - Maker: 7Artisans - 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 ...

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