You asked

Fujifilm xf 56mm f 1 2 r vs meike 56mm f 1 7 air?

Here is what the site says about that.

From Fujifilm XF 56mm f/1.2 R: Fujifilm XF 56mm f/1.2 R: A prime lens by Fujifilm for APS-C cameras, 56mm f/1.2. The original 85mm-equivalent portrait lens, replaced by the WR version in 2022. Specs - Maker: Fujifilm - Focal length: 56mm (prime) - Maximum aperture: f/1.2 - Made for: APS-C sensors - Mounts: Fujifilm X - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Fujifilm X): like 84mm on full frame; f/1.2 gives about the depth of ...

From Meike 56mm f/1.7 Air: Meike 56mm f/1.7 Air: A prime lens by Meike for APS-C cameras, 56mm f/1.7. Specs - Maker: Meike - Focal length: 56mm (prime) - Maximum aperture: f/1.7 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E, Fujifilm X, Nikon Z): like 84mm on full frame; f/1.7 gives about the depth of field of f/2.5 there. ...

Quoted from this site's pages.

From these pages