Is the olympus m zuiko 60mm f 2 8 macro worth buying used?

Here is what the site says about that.

From Olympus M.Zuiko 60mm f/2.8 Macro: Olympus M.Zuiko 60mm f/2.8 Macro: A macro lens by Olympus for Micro Four Thirds cameras, 60mm f/2.8. Specs - Maker: Olympus - Focal length: 60mm (macro) - Maximum aperture: f/2.8 - Made for: Micro Four Thirds sensors - Mounts: Micro Four Thirds - Stabilised: no - Autofocus: yes What it frames like - On Micro Four Thirds (Micro Four Thirds): like 120mm on full frame; f/2.8 gives about the depth of field of f/5.6 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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