You asked
Is the fujifilm xf 14mm f 2 8 r good for landscape?
Here is what the site says about that.
From Fujifilm XF 14mm f/2.8 R: Fujifilm XF 14mm f/2.8 R: A prime lens by Fujifilm for APS-C cameras, 14mm f/2.8. A sharp, low-distortion wide prime with a clutch for manual focus. Specs - Maker: Fujifilm - Focal length: 14mm (prime) - 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 21mm on full frame; f/2.8 gives about the depth of field ...
From Landscape: Landscape: Landscape photography is slow. The light does the work, the scene doesn't move much, and you can use a tripod. That changes what matters in a camera.
Quoted from this site's pages.