October 2012
Intermediate to advanced
240 pages
6h 33m
English
Content preview from High Definition and 24P Cinematography
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14
Lenses
14.1 How to choose a lens
There are many parameters that define a good lens from a bad one. For high definition cinematography, where there is a mixture of both film and video backgrounds, the most important include: resolution (that is, what is the smallest dot in the scene that can accurately be recorded); contrast (does the lens have a short hard tonal range or a long gentle one?); colour rendition (this breaks down into two separate parameters, the overall colour hue of the image and edge fringing); and finally breathing (which describes the effect of an image size change when the lens focus is racked).
14.1.1 Resolution
There are many ways to define the resolution of a lens, but the simplest is to consider the same parameter ...
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