Viltrox af 16mm f 1 8 vs samyang af 16mm f 2 8 p fe?

Here is what the site says about that.

From Samyang AF 16mm f/2.8 P FE: Samyang AF 16mm f/2.8 P FE: A prime lens by Samyang for Full frame cameras, 16mm f/2.8. A small ultra-wide prime from the Prima series that focuses very close. Specs - Maker: Samyang - Focal length: 16mm (prime) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 16mm. - On APS-C (Sony E): ...

From Viltrox AF 16mm f/1.8: Viltrox AF 16mm f/1.8: A prime lens by Viltrox for Full frame cameras, 16mm f/1.8. Specs - Maker: Viltrox - Focal length: 16mm (prime) - Maximum aperture: f/1.8 - 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, 16mm. - On APS-C (Sony E, Nikon Z, L-Mount): like 24mm on ...

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