Is the tamron 17 50mm f 4 di iii vxd worth buying used?

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From Tamron 17-50mm f/4 Di III VXD: Tamron 17-50mm f/4 Di III VXD: A zoom lens by Tamron for Full frame cameras, 17-50mm f/4. A light constant f/4 standard zoom that starts at 17mm. Specs - Maker: Tamron - Focal length: 17-50mm (zoom) - Maximum aperture: f/4 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 17-50mm. - On APS-C (Sony E): like 26-75mm ...

From Tamron 70-180mm f/2.8 Di III VXD: Tamron 70-180mm f/2.8 Di III VXD: A zoom lens by Tamron for Full frame cameras, 70-180mm f/2.8. The first-generation version, without stabilisation; discontinued but common used.

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