Scroll to the bottom of the page for those samples including high ISO ones. Click on "Ori" for the original pictures.
Seems to be even more impressive than the official ones! ;-D The ISO 3200 sample has better details and less noise than an ISO 400 image from the K-5! :-o
N.B. The samples were taken with a pre-production 5D3 unit as stated.
Update: There is yet another 1st preview of the pre-production 5D3 at the same venue, where I think was a product release function arranged by Canon Hong Kong:-
Various full samples at various ISO speeds are available for download. The subjects are more or less the same as those of the above.
Saturday, March 03, 2012