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Convert Z Depth Pass into a Blur Map?
How do I convert a Z Depth Pass from a 3D-application into a Blur Map for After Effects’ Camera Lens Blur-effect?
Right now, the thing that’s the closest to the camera is black and the thing that’s the furthest away from the camera is white in the Z Depth Pass. The Camera Lens Blur-effect wants to use a Blur Map where everything in black is sharp and everything white becomes blurred by 100%. However, the thing that I want to have in focus is somewhere in the middle (around 90 or so in luminance); how do I convert this Z Depth Pass to a useable Blur Map for Camera Lens Blur?
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2 Replies
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There are controls in the Camera Lens Blur effect for doing everything you’re asking for.
There’s a tick box to invert blur map. And you can adjust the Blur Focal Distance number to make something else be in focus as everything else defocuses.– The Great Szalam
(The \’Great\’ stands for \’Not So Great, in fact, Extremely Humble\’)No trees were harmed in the creation of this message, but several thousand electrons were mildly inconvenienced.
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Thank you! I had completely forgotten about that Blur Focal Distance-setting…
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