And that's what made his later films look out of date. By the '70s, just about everything was being filmed on location, while Hitchcock was still shooting in studio, with dreadful rear-screen projection.
"There’s probably less than twenty seconds of additional footage that existed in a German 35mm print that has been seamlessly added into the normal release we all have.
The additional footage involves one extra shot where Norman Bates is peeping on Janet Leigh undressing. In the version we all...
Is it closer to original intent, though? Certainly, Hitchcock would have been well aware of what an audience watching a release print would be seeing, and that's nowhere near the clarity and stability of 4K digital.