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Civil and Environmental Engineering

Theses/Dissertations

1950

Aerial photography -- Equipment and supplies<br />Aerial photography in land use<br />Photographic lenses -- Testing

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Field Resolution Tests With The Metrogon Lens, Robert Greig Livingston Jan 1950

Field Resolution Tests With The Metrogon Lens, Robert Greig Livingston

Professional Degree Theses

"The first portion of this treatise is devoted to a compilation of general knowledge concerning photographic resolution testing - an explanation of certain optical terms; the drafting of resolution targets; methods for averaging resolution values, measured at various positions on the format, to obtain one over-all value for an exposure; and a description of the factors involved in conducting the photographic operations. In the second part of the paper, analyses of the results obtained from line-target resolutions are made with the purpose of determining those combinations of aperture, filter, and shutter speed which result in high photographic resolutions. This information …