The 4th edition from Chris Johnson is an updated version of what has become the classic book on the technique developed by Ansel Adams in the 1940's. The zone system was designed to provide photographers with a precise and intuitive way to control the dynamic range of their negatives to produce printable results regardless of the contrast of the subjects they are shooting.
Teaching the zone system with new film/developer testing data and new illustrations and examples has been fully updated.
Most importantly, he has added an extensive new chapter that provides a detailed explanation for how the zone system's conceptual approach and terminology can help digital photographers achieve the highest possible quality from digital image processes. The emphasis is on subjects that include: optimizing digital camera exposure, colour management and a fine printing workflow.
It updates workflow for fine digital printing, contemporary images, and film/developer test data complete with numerous development and film charts and easy-to-follow testing methods. There is also a new emphasis on the role that Zone System concepts can play in digital photographic processes, while keeping all information from previous edition for film shooters.
Contents include: Print Quality and Negative Contrast, The Control of Negative Contrast, The Zone, Exposure, Development, An Overview of the Zone System, Zone System Testing: Method 1 and 2, Films, Developers, and Processing, Digital Zone System, Alternative Methods for Extreme Expansion and Contraction Development, Contrast Control with Paper Grades, Developer Dilution, Compensating Developers, Condenser and Diffusion Enlargers, ASA Numbers, Filter Factors, the Reciprocity Effect, and Bellows Extension Factors, Compensation Methods for Inaccurate Meters, Inspection Development; Exposure Record and Checklist for Zone System Testing.
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