Journal of the Society of Motion Picture Engineers (1930-1949)

Page scan 000447 from Journal of the Society of Motion Picture Engineers

Record Details:

Title:
Journal of the Society of Motion Picture Engineers
Date:
1930-1949
Publisher:
New York, N.Y. : The Society
Volume:
Journal of the Society of Motion Picture Engineers
Leaf #:
000447
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Description:
The Journal of the Society of Motion Picture Engineers (SMPE)Êdocuments the technological progress of the film industry, highlighting technical developments in production and exhibition. Of special interest are articles about special effects, theater practices, lighting, and the introduction of the 16mm format. Initially titled "Transactions of the Journal of the Society of Motion Picture Engineers."Digitized by the Prelinger Library and the Library of Congress Motion Picture, Broadcasting and Recorded Sound Division.
Date Added:
July 19, 2022
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440 HEINZ ROSENBERGER [J. S. M. P. E. vice either to the left for longer exposure or to the right for shorter exposure. For higher frequencies and when using arc light, the sector of the revolving shutter has to be adjusted. The main direction of our research work during the last two years, since the micro film was shown, was toward higher magnifications in order that something about the structural details of living tissue cells may be revealed. It was also anticipated to keep cells alive and under observation for a longer period of time than was possible With Cine Kodak Model A With Filmo Camera Micro cinema apparatus for 16 mm. cameras. before. This was accomplished by the development of a special culture chamber, which was manufactured with the cooperation of Zeiss. I want to point out here that the difficulties of micro cinema work with high magnifications increase by arithmetical progression. Suppose we are looking at the moon through a telescope. When it is a low powered telescope the moon will move slowly across the field of vision, due to the rotation of the earth. With medium powered telescopes the moon apparently will move very much