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 #:
000205
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.

188 LOYD A. JONES AND OTTO SANDVIK [j. s. M. P. E. development the value of gamma in the case of the Reprotone is changing much less rapidly, hence a much greater error in time of development can be allowed without introducing an intolerable variation in the value of negative gamma. The latitude for a gamma of 0.6 is 2.9, practically the same as that of the positive material and amply sufficient to accommodate the maximum desirable exposure variation in recording. The general requirements imposed upon the photographic material for use with the "flashing lamp" are practically identical with those FIG. 3. Sensitometric curves for motion picture par speed negative (ortho) developed in metol hydroquinone borax. TABUS III Sensitometric Data for Par Speed Motion Picture Negative Developed in M. Q. Borax Td y i dj Wl L R.P. Fog 2.5 0.20 1.58 2.5 3.2 + 55 0.04 4.5 0.58 1.42 1.4 3.2 55 0.04 8.0 0.92 T.24 0.72 2.5 40 0.05 12.0 1.14 1.20 0.45 2.2 40 0.08 20.0 1.34 2.96 0.14 2.2 35 0.12 4.7 0.60 T.40 1.30 3.1 54 0.04