Is the fujifilm gf 30mm f 3 5 r wr worth buying used?

Here is what the site says about that.

From Fujifilm GF 30mm f/3.5 R WR: Fujifilm GF 30mm f/3.5 R WR: A prime lens by Fujifilm for Medium format (44 x 33) cameras, 30mm f/3.5. A compact wide prime, about 24mm equivalent. Specs - Maker: Fujifilm - Focal length: 30mm (prime) - Maximum aperture: f/3.5 - Made for: Medium format (44 x 33) sensors - Mounts: Fujifilm G - Stabilised: no - Autofocus: yes What it frames like - On Medium format (44 x 33) (Fujifilm G): like 24mm on full ...

From Fujifilm GF 50mm f/3.5 R LM WR: Fujifilm GF 50mm f/3.5 R LM WR: A prime lens by Fujifilm for Medium format (44 x 33) cameras, 50mm f/3.5. The smallest GF lens, about 40mm equivalent.

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