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# Optics Node

The Optics node accepts front, back, and matte clips as input. Use the Optics node to add a glow effect to the clip in the process tree. See Adding Glow Effects with Optics.

The Optics node processes gaps in clips set to No Media based on the input tab receiving the information.

Input | Result
--- | ---
Front | No media
Back | Black frames
Matte | No media