Tamer, the camera on the C5 is a real good camera. In not sure about your experience with it but except the fact that at times it may be slow (and that's an issue within the app rather than the hardware) I get great photos, comparable with photos I've been taking with a real camera, a Z3c and an iPhone. Oh, and it's not just me, many other people confirms that the C5 has a good camera in both front and back.
Anyway, your choice. Enjoy your new Samsung phone.