How to turn off LED lights (flash) of USB connected camera?

Hey guys,
hope I’m not duplicating question but I am not able to find solution anywhere: there is a project we are working on and I need to turn off LED lights on USB microscope (which - I believe - behaves like webcam when connected).

For some settings I succesfully used this:

import cv2

cap = cv2.VideoCapture(1)

cap.set(cv2.CAP_PROP_FRAME_WIDTH, 2592)
cap.set(cv2.CAP_PROP_FRAME_HEIGHT, 1944)
cap.set(cv2.CAP_PROP_EXPOSURE, -8)
cap.set(cv2.CAP_PROP_BACKLIGHT, 0) # does not work!

result, image =

gray = cv2.cvtColor(image, cv2.COLOR_BGR2GRAY)

But we need to turn lights off beacuse we have source of light underneath the sample. I hope it’s not too chaotic, sorry :smiley: and BTW I am quite new to Python so…

Thanks for any hint!