Fujifilm xf 16 50mm f 2 8 4 8 r lm wr vs sigma 18 50mm f 2 8?

Here is what the site says about that.

From Fujifilm XF 16-50mm f/2.8-4.8 R LM WR: Fujifilm XF 16-50mm f/2.8-4.8 R LM WR: A zoom lens by Fujifilm for APS-C cameras, 16-50mm f/2.8-4.8. Specs - Maker: Fujifilm - Focal length: 16-50mm (zoom) - Maximum aperture: f/2.8-4.8 (it gets darker as you zoom in) - Made for: APS-C sensors - Mounts: Fujifilm X - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Fujifilm X): like 24-75mm on full frame; f/2.8-4.8 gives about the depth of field of f/4.2-7.2 there. Cameras ...

From TTArtisan 50mm f/2: TTArtisan 50mm f/2: A prime lens by TTArtisan for Full frame cameras, 50mm f/2. Specs - Maker: TTArtisan - Focal length: 50mm (prime) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Sony E, Fujifilm X, Nikon Z, Canon RF, L-Mount, Micro Four Thirds - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E, Nikon Z, Canon RF, L-Mount): as marked, 50mm. ...

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