Field Tools (Depth of Field,Photo focus helper)!

Field Tools is an efficient, easy to use depth of field calculator for photographers working in the field. Using just a few touches, you can quickly calculate hyperfocal, near focus and far focus distances, all from a single screen. Features include:Large, easy to read result displaySwitch distance type - hyperfocal, near limit, far limit and combined near/far limits - with a single touchSliders for adjusting focal length, aperture and focus distanceConfigure multiple cameras and lenses and switch between them with just a few touchesResults in meters, feet or feet and inches