Are Hollywood Crews allowed to use multiple types of cameras in a single movie?

Question by Danny O: Are Hollywood Crews allowed to use multiple types of cameras in a single movie?
Whenever there’s a security camera, news footage, or spontaneous, hand-held camera motion that should be amateurish, it’s always poorly disguised professional cameras being used.

If Steven Spielberg were making a movie with kids playing with a handycam and wanted to switch our view to the handycam, what would stop him from going to Best Buy and spending $ 300? Even if the ratios were different, he would still get the desired effect.

Best answer:

Answer by audioworld
I could if you wanted. I say look at Cloverfield for that idea

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