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7artisans af 27mm f 2 8 vs 7artisans af 40mm f 2 5?

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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 ...

From 7Artisans AF 27mm f/2.8: 7Artisans AF 27mm f/2.8: A prime lens by 7Artisans for APS-C cameras, 27mm f/2.8. Specs - Maker: 7Artisans - Focal length: 27mm (prime) - Maximum aperture: f/2.8 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E, Fujifilm X, Nikon Z): like 40mm on full frame; f/2.8 gives about the depth of field of f/4.2 there. ...

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