Is the panasonic leica dg 42 5mm f 1 2 good in low light?

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From Panasonic Leica DG 42.5mm f/1.2: Panasonic Leica DG 42.5mm f/1.2: A prime lens by Panasonic for Micro Four Thirds cameras, 42mm f/1.2. Specs - Maker: Panasonic - Focal length: 42mm (prime) - Maximum aperture: f/1.2 - Made for: Micro Four Thirds sensors - Mounts: Micro Four Thirds - Stabilised: yes - Autofocus: yes What it frames like - On Micro Four Thirds (Micro Four Thirds): like 85mm on full frame; f/1.2 gives about the depth of field of f/2.4 there. ...

From Panasonic Lumix G 42.5mm f/1.7: Panasonic Lumix G 42.5mm f/1.7: A prime lens by Panasonic for Micro Four Thirds cameras, 42mm f/1.7.

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