A New Type of Ultra-High-Speed Framing Camera Combining a Rotating Mirror with a Film Drum

This paper describes three new framing cameras, each of which combines a high-speed rotating four-face mirror with a low-speed rotating film drum. Typical features of one camera are: continuous writing system, 120,000 frames/sec, 200 exposures per run, 1 μsec minimum exposure time, rotating mirror motor-driven at 90,000 rpm, rotating film drum of 60-cm diameter motor-driven at 900 rpm, effective aperture f/9, frame size 5 mm × 20 mm. A second similar camera can operate at twice as many frames/sec. Exposure time can be maintained at the minimum value, and 200 exposures per run can be taken at low framing rates. A third camera is being made to take 2000 frames at 10⁶frames/sec.

Print ISSN

0361-4573

Published

1961-04

Content type

Original Research

DOI

10.5594/J14367