Get the very best from your camera and lenses. - Check your autofocus with cameras that have already been calibrated. - FoCal Comparison Database: compare the performance of your kit with 1,000s of other users to find out how it compares to *real-world* use, NOT artificial lab tests! - Review historical data, recall tests and calibrations you've run to find out how your equipment is holding up. - Export data to FoCal Pro Desktop for more detailed analysis, charting, reports and more. - One-tap Time Sync - synchronise your camera time with one tap right from the first screen of FoCal. - Calibrate and analyse lenses with focal lengths over 400mm. * Connection is via USB or the Reikan Wireless Camera Control Module. - For iPhone and iPad with lightning connectors, you will require a Lightning to USB Adapter in order to connect a camera - further details are provided in the app help, but a standard Lightning to USB adapter will workin most cases. - For iPad with USB-C, you can directly connect to the camera with just an appropriate cable. FoCal requires the use of a FoCal Target, which you can download and print using links from within the app, or purchase from the FoCal store. You will need a FoCal account, which can be created for free from within the app. FoCal can control the following cameras (a complete updated list is available at: https://reikanfocal.com/supported-cameras.html) Canon: - EOS-1D Mark III - EOS-1Ds Mark III - EOS-1D Mark IV - EOS-1D X - EOS-1D X Mark II - EOS-1D X Mark III - EOS 5D Mark II - EOS 5D Mark III - EOS 5D Mark IV - EOS 5DS - EOS 5DSr - EOS 6D - EOS 6D Mark II - EOS 7D - EOS 7D Mark II - EOS 50D - EOS 70D - EOS 80D - EOS 90D Nikon: - D3 - D3S - D3X - D4 - D4S - D5 - D6 - D300 - D300S - D500 - D600 - D610 - D700 - D750 - D780 - D800 - D800E - D810 - D810A - D850 - Df - D7000 - D7100 - D7200 - D7500 - Z50 - Z5 - Z6 - Z7 - Z6ii - Z7ii - Z9 End User License Agreement available at: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/