Is the canon ef 180mm f 3 5l macro usm worth buying used?

Here is what the site says about that.

From Canon EF 180mm f/3.5L Macro USM: Canon EF 180mm f/3.5L Macro USM: A macro lens by Canon for Full frame cameras, 180mm f/3.5. Specs - Maker: Canon - Focal length: 180mm (macro) - Maximum aperture: f/3.5 - Made for: Full frame sensors - Mounts: Canon EF - Stabilised: no - Autofocus: yes What it frames like - On full frame (Canon EF): as marked, 180mm. - On APS-C (Canon) (Canon EF): like 288mm on full frame; f/3.5 gives about the depth 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.

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