Archive notice: This article was originally published on December 12, 2013. Links and embedded videos are preserved as part of the historical record.
The app is available free of charge in the iTunes App Store. It can be used to select the desired lampheads, lenses, lamps and focus positions, and the calculator computes all relevant photometric data in seconds. It displays the maximum illuminance, half-peak angles, beam diameters and much more.
Version 1.1 is currently available; new features in the update are a smaller app size, compatibility with iOS 6 and various bug fixes.
The Arri Photometric App is available here.
