Is the fujifilm xf 200mm f 2 r lm ois wr good in low light?

Here is what the site says about that.

From Fujifilm XF 200mm f/2 R LM OIS WR: Fujifilm XF 200mm f/2 R LM OIS WR: A prime lens by Fujifilm for APS-C cameras, 200mm f/2. A fast telephoto prime for sport, sold with a 1.4x teleconverter. Specs - Maker: Fujifilm - Focal length: 200mm (prime) - Maximum aperture: f/2 - Made for: APS-C sensors - Mounts: Fujifilm X - Stabilised: yes - Autofocus: yes What it frames like - On APS-C (Fujifilm X): like 300mm on full frame; f/2 gives about the depth of field ...

From Fujifilm XF 500mm f/5.6 R LM OIS WR: Fujifilm XF 500mm f/5.6 R LM OIS WR: A prime lens by Fujifilm for APS-C cameras, 500mm f/5.6. A comparatively light super-telephoto prime, about 750mm equivalent.

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