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The Practical Zone System for Film and Digital Photography, 5th Edition
book

The Practical Zone System for Film and Digital Photography, 5th Edition

by Chris Johnson
September 2012
Intermediate to advanced content levelIntermediate to advanced
376 pages
9h 29m
English
Focal Press
Content preview from The Practical Zone System for Film and Digital Photography, 5th Edition

Appendix E   images

Exposure and the Digital Linear Effect

Linear versus Nonlinear

Although the light meters built into digital and film cameras are essentially the same, the way these two processes record and respond to light is different in ways that are important to understand. One simple way to begin looking at this is to consider the graphic systems we use to record the relationship between exposures and print tonalities.

In 1890, the photographic researchers Ferdinand Hurter and Vero Driffield published a seminal paper demonstrating what happened when you plotted exposure and film density on a graph with logarithmic intervals.

If the relationship ...

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Publisher Resources

ISBN: 9780240817026