In case anyone is interested: I was able to solve the problem by replacing the Pi4 with a Pi5.
The HQ cam is clocked at 120 Hz in sink mode via the XVS pin. The combination of minimum exposure time, flash and rolling shutter results in a line time of ~8 µs. An example image of a 0.49 mm thin film oscillating at 2.2 kHz sin:or
The HQ cam is clocked at 120 Hz in sink mode via the XVS pin. The combination of minimum exposure time, flash and rolling shutter results in a line time of ~8 µs. An example image of a 0.49 mm thin film oscillating at 2.2 kHz sin:
Code:
rpicam-vid --framerate 120 --codec mjpeg --segment 1 --width 1012 --height 990 --frames 64 --shutter 67 -n --awbgains 1,1 --gain 0.8 -o /dev/shm/RS-Pi5-T01-%d.jpgCode:
rpicam-vid --framerate 120 --width 1012 --height 990 --denoise cdn_off --frames 120 -n --shutter 67 --awbgains 1,1 --gain 0.8 -o /dev/shm/RS-Pi5-T02.mp4Statistics: Posted by WernerAT — Mon Sep 22, 2025 10:23 pm