Samyang af 14mm f 2 8 vs sigma 14mm f 1 8 dg hsm art?

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From Sigma 14mm f/1.8 DG HSM Art: Sigma 14mm f/1.8 DG HSM Art: A prime lens by Sigma for Full frame cameras, 14mm f/1.8. Specs - Maker: Sigma - Focal length: 14mm (prime) - Maximum aperture: f/1.8 - Made for: Full frame sensors - Mounts: Canon EF, Nikon F, Sony E, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Canon EF, Nikon F, Sony E, L-Mount): as marked, 14mm. - On APS-C (Nikon F, Sony E, ...

From Samyang AF 14mm f/2.8: Samyang AF 14mm f/2.8: A prime lens by Samyang for Full frame cameras, 14mm f/2.8. A full-frame autofocus ultra-wide; the RF version was short-lived. Specs - Maker: Samyang - Focal length: 14mm (prime) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E, Canon RF - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, Canon RF): as marked, 14mm. - On APS-C (Sony ...

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