So what's the benefit of using one over the other? The way I understand it, in Av or Tv, you only have to adjust the shutter or aperture, and the rest is done automatically for you...is this correct? ...
When I am in aperture mode in my d90 camera, I have noticed I can also change my shutter speed by clicking the rear wheel. Is that a bug? How is it possible? If it is not a bug, how do I know the ...