Un-squeezing or De-stretching Anamorphic Footage

Another common question we get concerns how footage shot with anamorphic lenses is edited in a modern editor such as Premiere Pro or Final Cut Pro. This is actually extremely easy. For a 2x anamorphic lens, you’ll simply want to rescale your footage- adjust your clip properties, uncheck uniform or proportional scaling, and either multiply your width by a factor of 2, or divide your height by a factor of 2. Done.


Premiere Pro CS6 and CC make it even easier to batch convert a whole set of anamorphic footage.

  • Highlight and select all of your footage in the browser.

  • Right-click the footage, and click Modify > Interpret Footage

  • In the dialog box that pops up, find the pixel aspect ratio drop down menu.

  • Select this drop down and select your anamorphic ratio for the anamorphic that you are using. The 2.0 will de-squeeze the classic ratio. Other lenses have 1.5x, or the SLR Magic is a 1.33 stretch. Select the proper setting, click OK, and all of your footage will instantly conform to the proper aspect ratio.

Using this technique also comes with the benefit of easily adjusting the scale of your footage in the editor without having to recalculate. Scaling up anamorphic footage to crop out the sides will adjust the aspect ratio to your desired look.

Be sure to double check when you export your edit that your pixel aspect ratio in the export window is set to Square. This is a post-edit setting, so if you’ve conformed your footage in the browser, you are all good to go!

And don’t forget, remember to be inspired, have fun, and get creative.

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2 Replies on Un-squeezing or De-stretching Anamorphic Footage

  • HI there.
    I am very interest in your system. My main Camera at this moment is a JVC LS 300.
    This camera is a little special. It has a MFT Mount but a S-35 Sensor.
    You can use it with a Speedbooster like I do and then Full frame 35mm lenses.
    That is the best Option.

    The other option is, You use MFT lenses directly on the camera and then the internet
    VSC function to zoom into the sensor and only use it 91% or so.
    That eliminates the Vignetting.

    I understand that your system work best with MFT ? Is that correct?
    Until today I do not use MFT because I lose quality by zooming in.
    But if I want to go Anamorph, I may have to ?
    Or switch to a GH 5 ?


  • Anamorphic Lenses says:

    You should be OK using the system on your JVC. Super35mm is OK for anamorphic, even if the GH5 is better, only for 4:3 mode and the ability to desqueeze to 2.66:1. But your JVC system should work fine with a 2x anamorphic with a slight zoom.


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