Is the 7artisans 55mm f 1 4 worth buying used?

Here is what the site says about that.

From 7Artisans 55mm f/1.4: 7Artisans 55mm f/1.4: A prime lens by 7Artisans for APS-C cameras, 55mm f/1.4. Specs - Maker: 7Artisans - Focal length: 55mm (prime) - Maximum aperture: f/1.4 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X - Stabilised: no - Autofocus: no, manual focus What it frames like - On APS-C (Sony E, Fujifilm X): like 82mm on full frame; f/1.4 gives about the depth of field of f/2.1 there. - On ...

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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