> Apparently this is also common at weddings, though even more so as the photographer might be taking shots of the same scene on two different cameras and then

> Apparently this is also common at weddings, though even more so as the photographer might be taking shots of the same scene on two different cameras and then changing cards in both. Just in case. More common is the requirement to have a camera that supports dual cards, so you can either write to both cards, or write JPG to one and RAW to the other, so you'll never lose everything.