What are the alternatives to the 7artisans 18mm f 5 6?

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From 7Artisans 18mm f/5.6: 7Artisans 18mm f/5.6: A prime lens by 7Artisans for Full frame cameras, 18mm f/5.6. Specs - Maker: 7Artisans - Focal length: 18mm (prime) - Maximum aperture: f/5.6 - Made for: Full frame sensors - Mounts: Sony E, Nikon Z, L-Mount - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E, Nikon Z, L-Mount): as marked, 18mm. - On APS-C (Sony E, Nikon Z, L-Mount): like ...

From 7Artisans 18mm f/6.3 II: 7Artisans 18mm f/6.3 II: A prime lens by 7Artisans for APS-C cameras, 18mm f/6.3. A body-cap-thin pancake.

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