Title: Hypersensitizing Commercial Panchromatic Plates A Dissertation Submitted to the Board of University Studies of the Johns Hopkins University in of Doctor of Philosophy Classic Reprint
Publisher: Forgotten Books
Publication Date: 2018
Language: English
ISBN 10: 1333369514
ISBN 13: 9781333369514
Binding: PAP
Condition: New
Weight: 145 grams

About this title

Synopsis

Boost your color photography with a science-backed method for faster panchromatic plates. This study documents how ammonia treatments can dramatically raise plate speed across several brands, including modern panchromatic varieties, orthochromatic types, and spectrum-process emulsions, with real-world testing in controlled labs.

This dissertation explains the methods of sensitometry, the role of dyestuffs in emulsions, and the practical results of ammonia bathing. It compares different developers, examines keeping qualities, and presents spectral sensitivity data to help photographers choose the right plate and process for aerial and high-detail work.

How sensitometry is used to measure plate speed and brightness response

Which plate families show the strongest speed gains after ammonia treatment

Notes on processing, drying, and maintaining image quality during experiments

Spectral data and practical implications for aerial photography and color work

Ideal for readers of photography science, vintage imaging techniques, and lab-informed photo processing.

"About this title" may belong to another edition of this title.

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