5:3 is effectively 15:9 (you just multiply up...) - 16:9 (or 4:3) is ratio of length to height, or 16 across to 9 up. 15:9 is less 'wide' than 16:9, so as the previous poster mentioned, you're gonna get black bars on either side of the screen, filling in the missing '1' of information. You can...