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Is the 7artisans af 40mm f 2 5 good on aps c?

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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 Sensor sizes: What a bigger sensor buys you: - Better low light. At the same framing and the same f-number, a bigger sensor collects more light in total, so images are cleaner at high ISO. Roughly, full frame has about one stop of advantage over APS-C, and two over Micro Four Thirds. - Shallower depth of field. At the same framing and f-number, a bigger sensor gives more background blur. An f/1.8 lens on APS-C gives about the ...

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