July 2017
Intermediate to advanced
374 pages
9h 41m
English
Content preview from The Practical Zone System for Film and Digital Photography, 6th Edition
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Appendix C What Is a Pixel?
Pixel Size
The easiest way to confuse beginning digital photographers would be to ask them with a straight face, “What size is a pixel?”
The reason this is a trick question is that the size of a “pixel” entirely depends on the kind of pixel it happens to be. For example, every person in a football stadium card stunt is essentially a pixel. This is why the definitions of pixels and resolution can be so confusing.
The word “resolution” refers to the number of pixels there are per inch of a given imaging media. In terms of size, pixels come in two different types: fixed hardware pixels and variable image pixels.
Screen Pixels
On the surface of a computer monitor, a pixel is a fixed and rigid physical entity that can ...
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