Not exactly, as I understand it. The surrounding pixels get used for demosaicing, to determine key (black) and other reasons for not including them in the final output:http://www.dpreview.com/glossary/camera-system/effective-pixelsNo idea on the percentage though. http://www.123di.com is a good site for this kind of stuff.That would be a cool idea. Or at least, a warning; if a person is only going to watch that portrait video on their iPhone they might prefer that...
8/7/14 at 12:26pm