I don't know if this is still relevant at all and I couldn't find anyone that knew anything about it. But I just messed up my cam while trying to type. It did exactly what you explained. Turns out all you do is hold Ctrl and press the ( ) keys and it changes your cam view. If you find you are looking at yourself at a distance and can see what's ahead of you, just zoom in with your mouse. Never knew about this till i accidently did it. Hope it helps at least someone.