Modulation transfer function and the role of focal length of a photogrammetric camera in image generation.
Tomajczyk, Charles Francis
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In order to determine where emphasis should be placed in future photogrammetric camera designs, all contributing factors in image generation must be qualitatively analyzed to obtain a precedence. This research investigates the role of focal length of a photogrammetric camera in image generation through the criterion of Modulation Transfer Function. A comparative study is made of the MTF obtained from two lens cones under various aperture settings, detail size and light conditions. This includes an analysis by graphical methods.