Sigma 90mm f 2 8 dg contemporary vs tamron 90mm f 2 8 di iii macro vxd?

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From Tamron 90mm f/2.8 Di III Macro VXD: Tamron 90mm f/2.8 Di III Macro VXD: A macro lens by Tamron for Full frame cameras, 90mm f/2.8. A life-size macro lens that also works as a short portrait telephoto. Specs - Maker: Tamron - Focal length: 90mm (macro) - 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, 90mm. - ...

From Sigma 90mm f/2.8 DG Contemporary: Sigma 90mm f/2.8 DG Contemporary: A prime lens by Sigma for Full frame cameras, 90mm f/2.8. Specs - Maker: Sigma - Focal length: 90mm (prime) - 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, 90mm. - On APS-C (Sony E, L-Mount): like 135mm on full frame; f/2.8 gives about the ...

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