Sigma 135mm f 1 4 dg art vs 7artisans af 135mm f 1 8?

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From Sigma 135mm f/1.4 DG Art: Sigma 135mm f/1.4 DG Art: A prime lens by Sigma for Full frame cameras, 135mm f/1.4. The first autofocus 135mm f/1.4 lens. Specs - Maker: Sigma - Focal length: 135mm (prime) - Maximum aperture: f/1.4 - Made for: Full frame sensors - Mounts: Sony E, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, L-Mount): as marked, 135mm. - On APS-C (Sony E, L-Mount): like 202mm on ...

From 7Artisans AF 135mm f/1.8: 7Artisans AF 135mm f/1.8: A prime lens by 7Artisans for Full frame cameras, 135mm f/1.8. Specs - Maker: 7Artisans - Focal length: 135mm (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, 135mm. - On APS-C (Sony E, Nikon Z, L-Mount): like 202mm on ...

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