Quote Originally Posted by wideangle View Post
I take it that with the the 5DM3 dual card slots it doesn't matter if you have say a 32GB in the CF slot and a 8GB in the SD card slot? ie - they don't have to be identical?
No they don't. But if you are using one as an instant backup, you reach the limits of the smaller card as far as a backup is concerned. This is probably most important if you shoot weddings etc.