This is what it looks like for me at 1 opacity

This is at 0 opacity

As you can see, things behind it are not visible in opacity 1, but the blue light still shines through
There is no inbetween, only opacity on or off
This is what it looks like for me at 1 opacity

This is at 0 opacity

As you can see, things behind it are not visible in opacity 1, but the blue light still shines through
There is no inbetween, only opacity on or off