Is the nikon z 400mm f 4 5 vr s worth it?

Here is what the site says about that.

From Nikon Z 400mm f/4.5 VR S: Nikon Z 400mm f/4.5 VR S: A prime lens by Nikon for Full frame cameras, 400mm f/4.5. Specs - Maker: Nikon - Focal length: 400mm (prime) - Maximum aperture: f/4.5 - Made for: Full frame sensors - Mounts: Nikon Z - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Nikon Z): as marked, 400mm. - On APS-C (Nikon Z): like 600mm on full frame; f/4.5 gives about the depth of field ...

From Nikon Z 100-400mm f/4.5-5.6 VR S: Nikon Z 100-400mm f/4.5-5.6 VR S: A zoom lens by Nikon for Full frame cameras, 100-400mm f/4.5-5.6.

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