Quick-tip: Fix bad Edges in Post Depth of Field

Last updated on May 25th, 2018,

When using Frischluft Lenscare (FL Depth of Field) or similar plugins in Compositing Programs such as After Effects, to create Depth of Field on your renderings, lots of times you get bad looking edges in areas where the depth-delta is quite large.

Especially when you have a rendering with no cg-background, that will be composited onto a sky or similar backdrop. This can be fixed.

What you do to decrease these depth-deltas, is, you add a rectangular surface or any kind of object right behind your objects that are getting bad edges and set them to be 99.9999% transparent.

This way the render-engine adds them to the depth-buffer, but does not (or almost doesn’t 0,0001%) render them into the beauty channel.

Alex - post author

Hi, I am Alex, a Freelance 3D Generalist / Motion Designer and Compositor.

I have built a multitude of Workstations and Renderfarms for all kinds of 3D related use cases and love to optimize them as much as possible.

After working in the 3D/VFX Industry on-staff for several years, I have recently gone freelance and am having a blast!

Feel free to comment and ask for suggestions on your PC-Build or 3D-related Problem, I'll do my best to help out!

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