1 March 1983 Slit-Drum Camera For Projectile Studies
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Proceedings Volume 0348, 15th Intl Congress on High Speed Photography and Photonics; (1983) https://doi.org/10.1117/12.967772
Event: 15th International Congress on High Speed Photography and Photonics, 1982, San Diego, United States
Abstract
The' model XF-70 slit-drum camera has been developed to record projectile in flight for observation and acquisition. It has two operation modes: (1) synchro-ballistic photography, (2) streak record. The film is located on the inner surface of rotating drum to make it travel. The folding mirror is arranged to reflect light beam 90 degree on to film. The assembly of folding mirror and slit aperture can be together rotated about the optical axis of objective so that the camera makes a feature of recording projectile having any launching angle either in synchro-ballistic photography or in streak record through prerotating the folding mirror assembly by an appropriate angle. The mechanical-electric shutter preventing film from reexposing is close to the slit aperture. The loading mechanism is designed for use in daylight. LED fiducial mark and timing mark are printed at the edges of the frame for accurate measurements.
© (1983) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Chen Liangyi, Zhou Shaoxiang, Cha Guanhua, Hu Yuxi, "Slit-Drum Camera For Projectile Studies", Proc. SPIE 0348, 15th Intl Congress on High Speed Photography and Photonics, (1 March 1983); doi: 10.1117/12.967772; https://doi.org/10.1117/12.967772
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