Quote Originally Posted by Johnny Rasmussen
About the 3200 ISO extension: The community says this is a native extension. Not a ISO 1600 underexposed 1 stop. I guess I have to take their word for it.

Yes, it is a native extension. But that's my point: like all Canon cameras, the native extensions are bad. It's far better to avoid the native extensions and use ISO 1600 underexposed instead.