Is the 7artisans af 18mm f 2 good in low light?

Here is what the site says about that.

From 7Artisans AF 18mm f/2: 7Artisans AF 18mm f/2: A prime lens by 7Artisans for APS-C cameras, 18mm f/2. Specs - Maker: 7Artisans - Focal length: 18mm (prime) - Maximum aperture: f/2 - Made for: APS-C sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E): like 27mm on full frame; f/2 gives about the depth of field of f/3 there. - On the larger-sensor bodies of Sony E: ...

From 7Artisans 18mm f/5.6: 7Artisans 18mm f/5.6: A prime lens by 7Artisans for Full frame cameras, 18mm f/5.6.

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