There is no adjustment for the video angle of the doorbell. The wedge is the only way to do that. It will require unmounting it and remounting it with additional wedges.
The question is which way?
If you need additional horizontal angle, I would suggest an aftermarket wedge off of Amazon with a steeper wedge angle. They also make adjustable wedges.
If you now need vertical adjustment, you may need to add a vertical wedge to the horizontal one, also available in adjustible.
Here is a post from mine. I had to stack 2 wedges to get the right angle:
There are lots of products out there that will do the job.