Is the fujifilm gf 55mm f 1 7 r wr worth buying used?

Here is what the site says about that.

From Fujifilm GF 55mm f/1.7 R WR: Fujifilm GF 55mm f/1.7 R WR: A prime lens by Fujifilm for Medium format (44 x 33) cameras, 55mm f/1.7. A fast standard prime, about 43mm equivalent. Specs - Maker: Fujifilm - Focal length: 55mm (prime) - Maximum aperture: f/1.7 - 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 43mm on full ...

From Fujifilm GF 80mm f/1.7 R WR: Fujifilm GF 80mm f/1.7 R WR: A prime lens by Fujifilm for Medium format (44 x 33) cameras, 80mm f/1.7.

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