[Borges]

All films have the boom mike just off the frame. That’s the way they are made. They have to be framed properly so you can’t see it.

[circlecity]

"All films have the boom mike just off the frame. That’s the way they are made. They have to be framed properly so you can’t see it."

I'm aware of that. But there's nothing that would have preveted Speilberg from editing out the frames where the cameraman screwed up. That's what film editors do.