Originally Posted by tarsus
I don't get it.
I was making the, humorous, assumption that the model you took a photograph was covered in skin but ISO1600 made the skin disappear and left just the flesh. If you extend that assumption then maybe if you take a picture at ISO3200, the flesh will disappear and you will be left with a skeleton. Sorry if that went over your head, maybe you have to be English (or Canadian) to get that kind of humor.

Gary