The Sony RX1R II is a high-end compact camera. It has a fixed 35mm f/2.0 Carl Zeiss lens and a full-frame CMOS sensor that produces 42.4 MP images that measure 7952 by 5304 pixels.
The basic ISO sensitivity range is from ISO 100 to 25,600. That can also be extended down to ISO 50 and up to ISO 102,400.
Here are a bunch of examples shot at different settings, under different lighting conditions, and different types of framing. You can click on each image to open a full-size version of these samples for closer inspection.
Low Light / High ISO
Here are some examples. Again, click on the image to open a full-size version so you can take a closer look at the amount of noise when viewed at 1:1.