Sigma 28 105mm f 2 8 dg dn art vs tamron 28 75mm f 2 8 di iii vxd g2?

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From Tamron 28-75mm f/2.8 Di III VXD G2: Tamron 28-75mm f/2.8 Di III VXD G2: A zoom lens by Tamron for Full frame cameras, 28-75mm f/2.8. The value f/2.8 standard zoom. Specs - Maker: Tamron - Focal length: 28-75mm (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, 28-75mm. - On APS-C (Sony E, Nikon Z): like ...

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 ...

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