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

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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430 JOSEPH A. DUBRAY [J. S. M. p. E. A revolving drum controlled by an outside dial is pierced with six apertures rectangular in shape and of convenient size. The diameter of the drum and the position of these apertures have been so calcu FIG. 4. Viewfinder of the Filmo 70-D camera. lated that no one of the openings interferes with the one cut in the position diametrically opposite to it. The path of the light rays, as traced in the figure, clearly demonstrates this characteristic. The D FIG. 5. Mechanism and spring motor assembly of the Filmo 70-D camera. diagram has been drawn so as to show the aperture corresponding to a 20 mm. lens in the proper position to permit the viewer to examine the whole field of view of a lens of such focal length.