Panasonic S1R Noise / ISO Series from ISO 50 to ISO 51200
See my L-mount mirrorless wishlist
This page evaluates digital noise from ISO 50 through ISO 51200. Exposure was an optimal ETTR exposures which thus represents a best possible result.
In diglloyd L-Mount Mirrorless:
Panasonic S1R: ISO Series 50 to 51200 (Dolls)
Includes several series including two crops showing the performance in color as well as each individual color channel plus a Gray Gamma 2.2 conversion. The individual channels and gray gamma may be of particular interest to black and white shooters.