The Nokia Lumia 920 has an exceptional camera, but experts can produce great pictures from even poor cameras due to a good knowledge of their settings.

Nokia wants to help Lumia 920 owners get even better performance from their cameras by educating them on the meaning of those mysterious camera settings in the camera app.

Above is a brief video explaining and demonstrating what ISO values mean and do , and after the break find a video explaining the effect of the various exposure settings