Is the fujifilm xf 23mm f 1 4 r lm wr sharp wide open?

Here is what the site says about that.

From Fujifilm XF 23mm f/1.4 R LM WR: Fujifilm XF 23mm f/1.4 R LM WR: A prime lens by Fujifilm for APS-C cameras, 23mm f/1.4. Specs - Maker: Fujifilm - Focal length: 23mm (prime) - Maximum aperture: f/1.4 - Made for: APS-C sensors - Mounts: Fujifilm X - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Fujifilm X): like 34mm on full frame; f/1.4 gives about the depth of field of f/2.1 there. Cameras it fits - Fujifilm X-E1: APS-C - ...

From Fujifilm GF 23mm f/4 R LM WR: Fujifilm GF 23mm f/4 R LM WR: A prime lens by Fujifilm for Medium format (44 x 33) cameras, 23mm f/4. An ultra-wide prime, about 18mm equivalent, for landscape and architecture.

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