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โAlign the Lens Correctly
Align the lens to the camera correctly, so that the squash/stretch axis of the lens aligns with the camera sensor. When it isnโt aligned, images will be subtly skewed. The match-move will have to precisely determine the misalignment. Itโs best if there is a hard mechanical alignment such as a notch and setscrew. In other cases, weโve heard it recommended to shine a flashlight into the lens and then rotate the lens until the anamorphic flares are perfectly horizontal, as seen in a large camera monitor.
Note: While a match-move will determine the misalignment, it wonโt remove it. If the misalignment is bad enough to need removal, you can export the solved shot to Nuke or Fusion, then connect the un-distort
pipeline to the redistort pipelineโbut set the rotation angle to zero in the redistort pipe. Youโll need to crop a little at the end to prevent clipped corners.
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