So this is really just applicable for practical photography where the relationship between the laser and the camera cannot change.,(reply>), @Trelligan has to be at a fixed angle, 90 degrees for the rolling shutter effect to work.<br><br>Some compensation could happen in software the way you describe, but the further away from 90 you get the less the software can compensate. <br><br>I'm guessing this was part of his calibration.<br><br>Its like a kinect game,<br>Really cool but who's gonna play with it enough to make it successful?,(reply>), Or can be compensated for. They use automated camera dollies all the time to change angle and distance, and the computer keeps track.