Is the laowa 7 5mm f 2 mft worth buying used?

Here is what the site says about that.

From Laowa 7.5mm f/2 MFT: Laowa 7.5mm f/2 MFT: A prime lens by Laowa for Micro Four Thirds cameras, 7.5mm f/2. Specs - Maker: Laowa - Focal length: 7.5mm (prime) - Maximum aperture: f/2 - Made for: Micro Four Thirds sensors - Mounts: Micro Four Thirds - Stabilised: no - Autofocus: no, manual focus What it frames like - On Micro Four Thirds (Micro Four Thirds): like 15mm on full frame; f/2 gives about the depth of field 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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