You asked
Laowa 10mm f 4 cookie vs laowa 14mm f 4 ff rl zero d?
Here is what the site says about that.
From Laowa 14mm f/4 FF RL Zero-D: Laowa 14mm f/4 FF RL Zero-D: A prime lens by Laowa for Full frame cameras, 14mm f/4. Specs - Maker: Laowa - Focal length: 14mm (prime) - Maximum aperture: f/4 - Made for: Full frame sensors - Mounts: Sony E, Nikon Z, Canon RF, L-Mount, Leica M - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E, Nikon Z, Canon RF, L-Mount, Leica M): as marked, 14mm. - ...
From Laowa 10mm f/4 Cookie: Laowa 10mm f/4 Cookie: A prime lens by Laowa for APS-C cameras, 10mm f/4. A pancake ultra-wide for APS-C. Specs - Maker: Laowa - Focal length: 10mm (prime) - Maximum aperture: f/4 - 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 15mm on full frame; f/4 ...
Quoted from this site's pages.