See the latest samples posted by the "What Digital Camera" online:-http://www.whatdigitalcamera.com/equipment/galleries/sample-images/pentax/12155/1/0/pentax-k7-pre-production-dslr-sample-shots.html10 full size original samples are posted, plus a cropped one at ISO 1600. Various ISO speeds were used for those shots, from ISO 100 to 1600. As we can see from those 1600 shots that were made under a
