Bulletin of the National Speleological Society - ISSN 0146-9517
Number 20: 61-63 - November 1958
A publication of the National Speleological Society
Use of Decamired Filters
in Cave Photography
Howard N. Sloane
Abstract
Filters for color films to fit all conditions of lighting met with in caves and karst areas have always been a problem with speleologists. The Decamired system recently introduced commercially offers the speleologist a system of addative filters that should correct for any condition of light. Howard Sloane presents here the practiacal aspects of Decamired filter in cavern photography gained from use in caves anbased on a background of many years of cave exploration and photography in the Appalachians.
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