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unfortunately, there is no guarantee, that any capture properties apart from width or height are supported by your combination of camera driver / capture / os.

it seems, you're just out of luck with it.

ps: please avoid using the deprecated cv2.cv api, it is no more there in recent cv2. please use cv2.CAP_PROP_GAIN , etc.

unfortunately, there is no guarantee, that any capture properties apart from width or height are supported by your combination of camera driver / capture / os.

it seems, you're just out of luck with it.it. (it's not a "python problem")

ps: please avoid using the deprecated cv2.cv api, it is no more there in recent cv2. please use cv2.CAP_PROP_GAIN , etc.