Is the sony fe 135mm f 1 8 gm worth buying used?

Here is what the site says about that.

From Sony FE 135mm f/1.8 GM: Sony FE 135mm f/1.8 GM: A prime lens by Sony for Full frame cameras, 135mm f/1.8. Specs - Maker: Sony - Focal length: 135mm (prime) - Maximum aperture: f/1.8 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 135mm. - On APS-C (Sony E): like 202mm on full frame; f/1.8 gives about the depth of field ...

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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