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Proceedings Paper

Synchrospeed - A New Synchroballistic Camera
Author(s): A. E. Huston; A. Tabrar; J. S. McVeagh
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Paper Abstract

The SYNCHROSPEED camera is specifically designed for synchroballistic use and employs a rotating mirror and fixed film system. The unique feature is that the mirror is triggered into rotation, using a "sky-screen" or other detector, positioned about 50 cms. up-range from the camera position. The mirror reaches its full rotational speed within 450 us. of receiving the trigger pulse, and within this period an electro-mechanical capping shutter is actuated, thus ensuring that the camera is "blind" prior to operation and immediately after the record has been written. The optical system is such that the record is produced on a flat plane, thus permitting the use of Polaroid as well as normal films. The camera writing speed is adjustable between 0.04 and 0. 36mm. /us. , and curves are reproduced which show the characteristics of the mirror and shutter. Pictures are shown of projectiles in flight.

Paper Details

Date Published: 14 September 1977
PDF: 8 pages
Proc. SPIE 0097, 12th Intl Congress on High Speed Photography, (14 September 1977); doi: 10.1117/12.955223
Show Author Affiliations
A. E. Huston, John Hadland (P.I.) Ltd. (United Kingdom)
A. Tabrar, John Hadland (P.I.) Ltd. (United Kingdom)
J. S. McVeagh, Ministry of Defence (United Kingdom)

Published in SPIE Proceedings Vol. 0097:
12th Intl Congress on High Speed Photography
Martin C. Richardson, Editor(s)

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