A diagram at the bottom will clearly display the values so that there is no confusion for new photographers. Total DoF - Simple Depth of Field and Hyperfocal Calculator offers 4 camera slots so you can easily save multiple settings for quick access. There is also an option to switch between feet/inches and meters. This app also features a Hyperfocal distance calculator that users can access. It is the far right tab bar item. Users can easily switch between the Depth of Field calculator and the Hyperfocal distance calculator.