I am having issues with camera calibration for virtual camera tracking in Aximmetry. I am trying to use the Aximmetry DE Camera Calibrator to calibrate my CanonXF605 for camera tracking, but when in the calibrator software, it gives me the message, "Camera cannot see checkerboard." It could. I framed the shot exactly like the example, it looked nearly identical. But the camera couldn't see the board. Please advise. If you need more information about my system or hardware, please ask.