Is the samyang af 14mm f 2 8 worth buying used?

Here is what the site says about that.

From Samyang AF 14mm f/2.8: Samyang AF 14mm f/2.8: A prime lens by Samyang for Full frame cameras, 14mm f/2.8. A full-frame autofocus ultra-wide; the RF version was short-lived. Specs - Maker: Samyang - Focal length: 14mm (prime) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E, Canon RF - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, Canon RF): as marked, 14mm. - On APS-C (Sony ...

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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