I had personally been looking for a way to control my Logitech C930e Camera on Linux, but was struggeling to find something that would actually connect to the camera AND be able to adjust the levels of zoom and focus. Fortunatly I was able to stumble upon this project called Cameractrls! It’s a very simple and straight to the point software writtin in Python. If there are any additional good software like this please feel free to share below!