You asked
Is the nikon z 135mm f 1 8 s plena good in low light?
Here is what the site says about that.
From Nikon Z 135mm f/1.8 S Plena: Nikon Z 135mm f/1.8 S Plena: A prime lens by Nikon for Full frame cameras, 135mm f/1.8. Specs - Maker: Nikon - Focal length: 135mm (prime) - Maximum aperture: f/1.8 - Made for: Full frame sensors - Mounts: Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On full frame (Nikon Z): as marked, 135mm. - On APS-C (Nikon Z): like 202mm on full frame; f/1.8 gives about the depth of field ...
From Travel: My picks by type: - The one-camera answer: an APS-C mirrorless body with a travel zoom in the 18-135mm or 16-80mm range (roughly 27-200mm or 24-120mm in full-frame terms). Small, flexible, good in most light. - The pocket answer: a 1-inch compact with a 24-200mm-equivalent zoom. It fits in a jacket, and the pictures are clearly better than a phone's when you zoom. - The fixed-lens answer: a compact with a large sensor and ...
Quoted from this site's pages.