Reading wikipedia about all of this is like learning how a combustion engine works in 2 days. Alot of it is technical, and I get really really easily confused. f5.6 What does this mean? I know that if I change it, it becomes either darker or lighter. A-Dep Alright, something with focus. -2..1..|..1..+2 This also makes things brighter or darker ISO100 I know that the lower this is, the less "dirt". Also something with brightness. Oh also, where it says ( 100) it changes randomly. And sometimes I can't change pictures because of it apparently.