Is the panasonic lumix s 100mm f 2 8 macro worth buying used?

Here is what the site says about that.

From Panasonic Lumix S 100mm f/2.8 Macro: Panasonic Lumix S 100mm f/2.8 Macro: A macro lens by Panasonic for Full frame cameras, 100mm f/2.8. Specs - Maker: Panasonic - Focal length: 100mm (macro) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (L-Mount): as marked, 100mm. - On APS-C (L-Mount): like 150mm on full frame; f/2.8 gives about the depth of field of f/4.2 there. ...

From Buying used: Buying used: Cameras and lenses are built to last, and many photographers upgrade often. That makes the used market one of the best ways to afford good gear. A body that's one or two generations old is often most of the camera for a fraction of the price.

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