What are the alternatives to the nikon z 600mm f 6 3 vr s?

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From Nikon Z 600mm f/6.3 VR S: Nikon Z 600mm f/6.3 VR S: A prime lens by Nikon for Full frame cameras, 600mm f/6.3. Specs - Maker: Nikon - Focal length: 600mm (prime) - Maximum aperture: f/6.3 - Made for: Full frame sensors - Mounts: Nikon Z - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Nikon Z): as marked, 600mm. - On APS-C (Nikon Z): like 900mm on full frame; f/6.3 gives about the depth of field ...

From Nikon Z 180-600mm f/5.6-6.3 VR: Nikon Z 180-600mm f/5.6-6.3 VR: A zoom lens by Nikon for Full frame cameras, 180-600mm f/5.6-6.3.

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