Is the 7artisans af 27mm f 2 8 worth buying used?

Here is what the site says about that.

From 7Artisans AF 27mm f/2.8: 7Artisans AF 27mm f/2.8: A prime lens by 7Artisans for APS-C cameras, 27mm f/2.8. Specs - Maker: 7Artisans - Focal length: 27mm (prime) - Maximum aperture: f/2.8 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E, Fujifilm X, Nikon Z): like 40mm on full frame; f/2.8 gives about the depth of field of f/4.2 there. ...

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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