Can I separate individual colors of an image/video and add another color around it in other position to achieve chromatic aberration
2 Answers
You can fake Chromatic aberration in the Compositor.
Just add the Lens Distortion node and adjust the Dispersion value.
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1$\begingroup$ Here is nice extension blender.stackexchange.com/a/94253/2214 $\endgroup$– vkliduMar 1, 2020 at 11:24
If you want it to be closer to physically correct, you can make three renders through a lens system with refraction shaders set to slight offsets, take a separate channel from each image, and combine them.
It's quite tedious, though.