There’s no standard, but past 20 pages I’d be worried.
Dead rapper’s mom is calling the shots
A good example of why producers matter.
Camera angles and edits
Until the movie is in theatres, there’s no such thing as a final shooting script. Angles are for Directors and edits are for editors.
How long is a scene?
If I get to the third page of a scene I’m writing, I automatically stop and re-examine it to figure out why it’s so long, and whether it really needs to be.