Last week while shooting some cityscape photos I was leveling out my camera using the built-in level when a friend noticed and mentioned how cool it was. You see, I shoot with the Nikon Df 
Simply put your camera into Live View and hit the “info” button to cycle through the different screen overlays. There are grids, lines of camera information, and a level on many Nikon cameras.
What tool do you use that may have seemed obvious but other people may have missed? Leave your thoughts in the comments below.
