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September 14th, 2010
Update – GSD Calculator – Version 4.7

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The Calculator now saves the last camera. Some users, especially owning a  Microsoft/Vexcel UltraCam,  reporting a significantly deviation from nominal to calibrated (actual)  focal length on their cameras. Now you can input the calibrated focal length in order to get results on your personal camera by simply checking the “Lock this Camera”  Next time you start the program, it will use your own camera parameters for calculation. Read More