Is the ttartisan 40mm f 2 8 macro hard to focus manually?

Here is what the site says about that.

From TTArtisan 40mm f/2.8 Macro: TTArtisan 40mm f/2.8 Macro: A macro lens by TTArtisan for APS-C cameras, 40mm f/2.8. Specs - Maker: TTArtisan - Focal length: 40mm (macro) - Maximum aperture: f/2.8 - 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 60mm on full frame; f/2.8 ...

From TTArtisan AF 40mm f/2: TTArtisan AF 40mm f/2: A prime lens by TTArtisan for Full frame cameras, 40mm f/2.

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