With the ability to crop and adjust exposure in post-processing, focusing is one aspect which cannot be changed after the fact. In other words, as digital photography become easier and easier, the art of focusing is one of the few critical techniques remaining in the quest to make photos from single frames.
Night photography is a challenging hobby. You are taking a picture in conditions where you can barely see your camera. You have to wait around in the coldest part of the day for long periods of time and all those minutes could be wasted if you don’t plan to overcome the basic obstacles which shooting in the dark can present.