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 #:
000481
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
Something wrong or inaccurate about this page? Let us Know!

Thanks for helping us continually improve the quality of the Lantern search engine for all of our users! We have millions of scanned pages, so user reports are incredibly helpful for us to identify places where we can improve and update the metadata.

Please describe the issue below, and click "Submit" to send your comments to our team! If you'd prefer, you can also send us an email to mhdl@commarts.wisc.edu with your comments.




We use Optical Character Recognition (OCR) during our scanning and processing workflow to make the content of each page searchable. You can view the automatically generated text below as well as copy and paste individual pieces of text to quote in your own work.

Text recognition is never 100% accurate. Many parts of the scanned page may not be reflected in the OCR text output, including: images, page layout, certain fonts or handwriting.

478 WYCKOFF of a lens. However, this is still better than the resolution of highspeed film. Fig. 9 is a frame from a motion picture of a National Bureau of Standards Resolution Chart. The chart was photographed at approximately 25 times the focal length. It will be noticed that the resolution recorded is probably the resolution of the film or somewhere around 45 lines per millimeter. The only existing model of the 20-lens high-speed motion picture camera is the one which was constructed by the Navy, Fig. 10. It holds up to 200 feet of standard 35-mm film and has attained a Fig. 10 — Interior of 20-lens camera. speed of 2350 pictures per second. With a more powerful drive motor it might be possible to double this speed. The effective aperture is //9 and the exposure time is adjustable between approximately 10 and 60 per cent of the time interval between pictures. The size of the image is that of the standard Academy sound aperture. A more detailed description of this camera is presented in Navy Department David Taylor Model Basin Report R-345. This report entitled, "A Twenty-Lens High Speed Motion Picture Camera," may be obtained by writing to the David Taylor Model Basin in Washington, D. C.