Photo tools included in the app : - DOF & Hyper-focal Distance Calculator Calculate the depth of field (DOF) and the hyper-focal distance to help you assess what camera settings are required to achieve a desired level of sharpness. - Time Lapse Calculator Quickly compute parameters you need to collect sequences of still images to create time lapse videos. - Exposure Equivalent Calculator Given an exposure (Aperture, Shutter speed, ISO), allows calculating equivalent exposures - ND Calculator Hel