Is the om system m zuiko 12 40mm f 2 8 pro ii worth buying used?

Here is what the site says about that.

From OM System M.Zuiko 12-40mm f/2.8 PRO II: OM System M.Zuiko 12-40mm f/2.8 PRO II: A zoom lens by OM System for Micro Four Thirds cameras, 12-40mm f/2.8. Specs - Maker: OM System - Focal length: 12-40mm (zoom) - 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 24-80mm on full frame; f/2.8 gives about the depth of field of ...

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.