You asked

Nikon z 24 105mm f 4 7 1 vs tamron 35 100mm f 2 8 di iii vxd?

Here is what the site says about that.

From Tamron 35-100mm f/2.8 Di III VXD: Tamron 35-100mm f/2.8 Di III VXD: A zoom lens by Tamron for Full frame cameras, 35-100mm f/2.8. A 565-gram f/2.8 zoom for portraits and events. Specs - Maker: Tamron - Focal length: 35-100mm (zoom) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E, Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, Nikon Z): as marked, 35-100mm. - On APS-C (Sony E, ...

From Nikon Z 24-105mm f/4-7.1: Nikon Z 24-105mm f/4-7.1: A zoom lens by Nikon for Full frame cameras, 24-105mm f/4-7.1. A light kit zoom that also focuses close at the long end. Specs - Maker: Nikon - Focal length: 24-105mm (zoom) - Maximum aperture: f/4-7.1 (it gets darker as you zoom in) - Made for: Full frame sensors - Mounts: Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On full frame (Nikon Z): as ...

Quoted from this site's pages.

From these pages