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Activity Forums Adobe After Effects Foundry Camera Tracker focal length appears to be wrong

  • Foundry Camera Tracker focal length appears to be wrong

    Posted by Jordan Montreuil on July 15, 2011 at 11:49 pm

    I used the Camera Tracker to track a shot and have started compositing some elements into it. My problem is that the perspective of my scene camera doesn’t match the perspective of my footage. Here is a screen shot showing the difference.

    https://i.imgur.com/wknG3.png

    The forward wall is the one being composited. The bottom lines match up but the further up you get, the more it doesn’t match. How do I change my camera to remedy this? Is there anything I can do to solve a new camera that doesn’t have this error.

    View post on imgur.com

    Roland R. kahlenberg replied 14 years, 10 months ago 2 Members · 1 Reply
  • 1 Reply
  • Roland R. kahlenberg

    July 16, 2011 at 2:36 am

    Looks like a lens distortion issue. Sort out the Lens Distortion with Optics Compensation prior to tracking.

    HTH
    RoRK

    Intensive AE Training in South East Asia.

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