From Microsoft:
Focal Lens Calibration Software
Serial input arduino. I did a little extra research and found that some newer camera bodies not only support auto-focus lens calibration but also allow for two separate settings per lens. Free offline solitaire games for windows 10. This gives one the ability to set a zoom lens for example a (70-200), for 70mm and then also at 200mm and the camera will make the adjustment automatically base on zoom.
Easy Camera Calibration can be used to determine a camera's internal parameters (focal length, aspect ratio, radial distortion). The technique only requires the camera to observe a planar pattern shown at a few (at least two) different orientations. Either the camera or the planar pattern can be freely moved. The motion need not be known.
What do you need to know about free software?
Stereo Camera Calibration Software
From Microsoft:
What Is Camera Calibration
Easy Camera Calibration can be used to determine a camera's internal parameters (focal length, aspect ratio, radial distortion). The technique only requires the camera to observe a planar pattern shown at a few (at least two) different orientations. Either the camera or the planar pattern can be freely moved. The motion need not be known.