According to 9to5Mac, that iPhone come with new redesigned iPhone LED flash to the top-right side. That would mean that the rear camera on the new model will be further away from the lens. As we can see in the Part of the iPhone 5 below. The leaked iPhone 5 parts posted by website Apple.Pro which indeed show a rear camera lens with no Flash attached.
According to these pictures, the screen of the upcoming iPhone 5 has an edge-to edge screen while the flash has been moved to the upper right corner, away from the lens.