Psycho & the gaze: eyes, vision, 2

page 1 - page 2
mirrors

Point of view looking:
shot-countershot-reaction technique

Lila approaches the house: traveling point-of-view shooting

Lila and Norman's book

Hitchcock used a 100mm lens to shoot Norman's book, the only shots in the film not done with a 50mm lens. The 100mm lens was thought to most closely approximate human vision.

Psycho and the gaze, page 1
see also mirrors in Psycho