What is the tamron 28 75mm f 2 8 di iii rxd good for?

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From Tamron 28-75mm f/2.8 Di III RXD: Tamron 28-75mm f/2.8 Di III RXD: A zoom lens by Tamron for Full frame cameras, 28-75mm f/2.8. Specs - Maker: Tamron - Focal length: 28-75mm (zoom) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 28-75mm. - On APS-C (Sony E): like 42-112mm on full frame; f/2.8 gives about the depth of field ...

From Tamron 28-200mm f/2.8-5.6 Di III RXD: Tamron 28-200mm f/2.8-5.6 Di III RXD: A zoom lens by Tamron for Full frame cameras, 28-200mm f/2.8-5.6. A full-frame travel zoom that starts at f/2.8.

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