Figure 14.1. Lenses and the language of the lens play a key role in Hitchcock’s Rear Window.

optics & focus

Figure 14.2. An Arri Alura 18mm to 80mm zoom lens on a Canon C-300. (Photo courtesy Niche Cameras, New Zealand).


Except for certain minor differences, the principles of optics and the use of lenses are the same for film and video. Nearly all principles of optics and optical design are based on a few properties of physics. The two most basic are reflection and refraction. There are a few things we need ...

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