As you use the Adjustment Panel you'll find that there is some overlap among some of the controls in Aperture. In the Exposure brick there are options to set the overall exposure, as well as the Black point, Recovery and...

When you see a shot of lightning, or a great sports shot that captured just the right action at just the right moment, or a seemingly once-in-a-lifetime shot, it’s tempting to comment, “Wow you were lucky!” And in reality...