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Isotransport Camera
for 100,000 Frames per Second
By C. DAVID MILLER and ARTHUR SCHARF
A detailed description is given of the theory, construction and application of a new type of Isotransport camera using the rotating drum principle and designed to provide a potential repetition rate up to 100,000 frames/sec. It is expected that this camera will be of particular interest to organizations whose need for equipment in the higher speed range does not justify the investment required to provide a permanent installation.
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.OST OF THE USEFUL applications of high-speed photography involve the speed ranges covered by available commercial equipment, from 2,000 to 1 5,000 frames/sec. However, a considerable need exists for equipment usable within the next higher order of speed, from 10,000 to 100,000 frames/sec. Although excellent equipment can be constructed for use in this higher speed range, the investment cost is necessarily high as compared with that of the available commercial equipment for use in the lower speed range. Because of the somewhat less frequent need for equipment in the higher speed range, an individual commercial organization may require such equipment throughout an interval of only a few months within a ten-year period. For such limited use
Presented on October 9, 1952, at the Society's Convention at Washington, D.G., by C. David Miller, who read the paper, and Arthur Scharf, Battelle Memorial Institute, 505 King Ave., Columbus 1, Ohio.
the investment cost is often prohibitive; hence, desirable and useful research or development projects remain undone. As a remedy for this undesirable condition, Battelle has developed and constructed a new type of Isotransport camera for operation in the higher speed range. This camera is now available for use in research or development for industrial or Government sponsors. Use of the camera is expected to range from a few months to several years for each sponsor, at a cost to each sponsor for the camera itself of only a small fraction of the total investment.
Cameras of several types have been developed for operation in the speed range from 10,000 to 100,000 frames/sec. A judgment of the excellence of these cameras will rate them in various orders, depending upon the particular desirable feature used as a basis of comparison. The Isotransport principle, selected as a basis for the design of the Battelle camera, offers an exceptionally good compromise between the following de
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February 1953 Journal of the SMPTE Vol. 60