Two camera setup - CAM2 not triggering properly

[KadaverJoe]

Bug report

Issue details
Camera setup with two different cameras do not trigger properly. CAM1 (Micasense) always seem to trigger properly while CAM2 (Sony) triggers only a fraction a images of the whole mission.
When swapping CAM1 and CAM2 setup, still CAM1 (Sony) triggers properly while CAM2 (Micasense) triggers only a few images.

relevant settings for the cameras:
Micasense:
CAMx_DURATION 0,2
CAMx_FEEDBACK_PIN -1
CAMx_SERVO_OFF 1100
CAMx_SERVO_ON 1500
CAMx_TYPE 1 (Servo)

Sony:
CAMx_DURATION 0,6
CAMx_FEEDBACK_PIN 53
CAMx_FEEDBACK_POL 1
CAMx_RELAY_ON 1
CAMx_TYPE 2 (Relay)
RELAY1_DEFAULT 0
RELAY1_FUNCTION 4
RELAY1_INVERTED 0
RELAY1_PIN 51

Version
What version was the issue encountered with
AC 4.6.0-beta1
Platform
[ ] All
[ ] AntennaTracker
[ x ] Copter
[ ] Plane
[ ] Rover
[ ] Submarine

Airframe type
What type of airframe (flying wing, glider, hex, Y6, octa etc)
hex
Hardware type
What autopilot hardware was used? (Pixhawk, Cube, Pixracer, Navio2, etc)
Holybro Durandal
Logs
Please provide a link to any relevant logs that show the issue
https://cloud.farm-hub.de/index.php/s/WkAXmKZasyaXgye