Anamorphic Chop Shop – Anamorphic Mumps Corrector

January 8, 2017

The upgraded version for the mumps correction tutorial I posted last year. Featuring a free AE preset that will let you apply the adjustment directly to video! This episode was made in collaboration with Lucas Pfaff.


Place the Preset in the right folder!

WINDOWS: C:/Program Files/Adobe/After Effects /Support Files/Plug-ins or /Presets
OSX: Applications/Adobe After Effects /Plugins or /Presets

This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.

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Tito Ferradans here with a new post-processing tool. Today’s episode is about AMC, the Anamorphic Mumps Corrector, a simple After Effects preset that can help you fix those pesky mumps. All you need is some eyeballing skills: play with the Amount and the Curvature sliders to achieve the desired effect and hit render!

After last year’s tutorial on how to correct mumps, I got intense feedback from people that loved the effect. They also said it was completely impractical. A few weeks ago, Lucas Pfaff and I started to talk about an easier way of achieving a similar effect directly in a video application. AMC was born.

Download AMC here!

Before you start, place AMC in the right folder. For Windows users, go to C:/Program Files/Adobe/After Effects <version>/Support Files/Plug-ins or /Presets and past the AMC.ffx file in there. For Mac users, drop it at Applications/Adobe After Effects <version>/Plugins or /Presets.

Now open After Effects and you can find AMC in the Effects and Presets tab, in the Animation Presets folder.

The preset is a combination of native effects and controllers rigged with expressions. Bezier Warp is the base, but that is pretty useless by itself. What Lucas and I did was connect it to controllers so it fits any comp size. I’ll demonstrate first on a checkerboard, then on footage.

Amount controls how much distortion will be applied. Positive values compress the middle, negative values compress the edges.

The Curvature slider creates/counters barrel distortion. Positive values bulge inwards, negative values go outwards. Set it to zero and your warp will be completely straight. Curvature_CTRL affect the distortion’s intensity.

The advantages of this method over the previous one are beyond obvious, with much easier controls, faster feedback for adjustments and easier to apply to video.

I’m constantly trying to come up with useful tools and tutorials. You’ll help a lot by just liking and sharing this video. Now, before you go to the blog to download AMC, make sure to subscribe and to check Lucas’ reviews! I’m Tito Ferradans and I’ll see you next week.

Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.