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 #:
000539
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.

536 SHAFER November The value of light amplitude at z = 0, h(G) is found from (19) to be f > = , 2 COB** [Si^ -Sikf] + 28m** [Ci ^ Ci *f] + 2 Si * * (24) 7(0) will be a maximum when h(G) has an extreme value. This will occur at that value of kyA/fior which dh(Q) / (d(kya/f)) = 0. From this K4>"TT/4 A/a -10* A/a HO2 Fig. 10 — Variation of maximum light intensity in the image of equation (24), for various knife-edge positions with point-source illumination. value of kyA/f the value of the knife-edge position which will give rise to maximum 7(0) can be found. Differentiating (24) , assuming a = 0, <to(0) -_ o ^ 1 tyA _ 1 /0 , kyA\ , \^"j ) (26) which is identical with the expression for G(y) d(kyA/f] = °