Is the olympus m zuiko 30mm f 3 5 macro worth buying used?

Here is what the site says about that.

From Olympus M.Zuiko 30mm f/3.5 Macro: Olympus M.Zuiko 30mm f/3.5 Macro: A macro lens by Olympus for Micro Four Thirds cameras, 30mm f/3.5. A small, light macro lens that reaches 1.25x magnification. Specs - Maker: Olympus - Focal length: 30mm (macro) - Maximum aperture: f/3.5 - 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 60mm on full frame; f/3.5 ...

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.

Quoted from this site's pages.