Blackmagic Fusion: “Blend If“ Tutorial

In which we recreate the useful and popular “Blend If“ feature found in Adobe Photoshop, building all our own tools to do so. There’s a lot of valuable compositing and image processing theory in here (which builds on my Compositing School tutorials) so it’s hopefully worth a watch for that alone. Free macros to download: Compositing School - Blend Modes: Compositing School - Understanding Brightness: Eyes Photo courtesy of Min An via