Sigma 28 105mm f 2 8 dg dn art vs tamron 35 100mm f 2 8 di iii vxd?

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From Sigma 28-105mm f/2.8 DG DN Art: Sigma 28-105mm f/2.8 DG DN Art: A zoom lens by Sigma for Full frame cameras, 28-105mm f/2.8. Specs - Maker: Sigma - Focal length: 28-105mm (zoom) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, L-Mount): as marked, 28-105mm. - On APS-C (Sony E, L-Mount): like 42-158mm on full frame; f/2.8 gives about the ...

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, ...

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