BG or LD and LensFlare, BG(ot LD) ranges from 0 frame to 100 frame. From 101 frame, S_LensFlare output 8bit image (project bit depth is 16bit float). There should be no 101 or later in Fusion. Because output range of Fusion’s node is determined by the Background range. This is contrary to Fusion’s rules and inconvenient.
From 0 frame to 100 frame
From 101 frame
Fusion Studio 8.01 Sapphire 2022.04 windows10