You asked
Laowa 8 16mm f 3 5 5 zoom cf vs fujifilm xf 8 16mm f 2 8 r lm wr?
Here is what the site says about that.
From Fujifilm XF 8-16mm f/2.8 R LM WR: Fujifilm XF 8-16mm f/2.8 R LM WR: A zoom lens by Fujifilm for APS-C cameras, 8-16mm f/2.8. Specs - Maker: Fujifilm - Focal length: 8-16mm (zoom) - Maximum aperture: f/2.8 - Made for: APS-C sensors - Mounts: Fujifilm X - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Fujifilm X): like 12-24mm on full frame; f/2.8 gives about the depth of field of f/4.2 there. Cameras it fits - Fujifilm X-E1: APS-C - ...
From Laowa 8-16mm f/3.5-5 Zoom CF: Laowa 8-16mm f/3.5-5 Zoom CF: A zoom lens by Laowa for APS-C cameras, 8-16mm f/3.5-5. Specs - Maker: Laowa - Focal length: 8-16mm (zoom) - Maximum aperture: f/3.5-5 (it gets darker as you zoom in) - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Nikon Z, Canon RF - Stabilised: no - Autofocus: no, manual focus What it frames like - On APS-C (Sony E, Fujifilm X, Nikon Z): like 12-24mm on full ...
Quoted from this site's pages.