Here's a link to the 3.2 MB .zip file for the Canon 6d camera with embedded noise examples:
http://www.canprint.org/Misc/140227_6d_ ... 102400.zip
The .tiff's were generated from ACR 8.3 as 16-bit ProPhoto color-space, uncompressed. Sliders for Basic, Clarity, Saturation, Vibrance, Sharpening, Noise Reduction, and Lens Correction were zero'ed / disabled. Pv2012.
ISO's included 1/3rd stops from the "Regular" 100 to 25,600, and Extended ISO's for 50, 51200, and 102400.