You asked

Fujifilm xf 23mm f 1 4 r vs ttartisan 23mm f 1 4?

Here is what the site says about that.

From Fujifilm XF 23mm f/1.4 R: Fujifilm XF 23mm f/1.4 R: A prime lens by Fujifilm for APS-C cameras, 23mm f/1.4. The original fast 35mm-equivalent prime, replaced by the LM WR version but common used. Specs - Maker: Fujifilm - Focal length: 23mm (prime) - Maximum aperture: f/1.4 - Made for: APS-C sensors - Mounts: Fujifilm X - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Fujifilm X): like 34mm on full frame; f/1.4 gives about the ...

From TTArtisan 23mm f/1.4: TTArtisan 23mm f/1.4: A prime lens by TTArtisan for APS-C cameras, 23mm f/1.4. Specs - Maker: TTArtisan - Focal length: 23mm (prime) - Maximum aperture: f/1.4 - Made for: APS-C 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 APS-C (Sony E, Fujifilm X, Nikon Z, L-Mount): like 34mm on full frame; f/1.4 ...

Quoted from this site's pages.

From these pages