Journal of the Society of Motion Picture and Television Engineers (1950-1954)

Page scan 000503 from Journal of the Society of Motion Picture and Television Engineers

Record Details:

Title:
Journal of the Society of Motion Picture and Television Engineers
Date:
1950-1954
Publisher:
Easton, Pa. : The Society
Volume:
Journal of the Society of Motion Picture and Television Engineers
Leaf #:
000503
Language:
English
Collection:
Technical Journals
Format:
Periodicals
Contributor:
Prelinger Library
Sponsor:
MSN
Coordinator:
Media History Digital Library
Date Added:
July 19, 2022
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498 NEW AMERICAN STANDARDS April American Standard Location and Size of Picture Aperture of 16-Millimeter Motion Picture Projectors «.•<!. V. S. Pal. Og. Z22.8-1950 Revision of Z22.8-V941 and Z22.14-1941 •UDC 778.55 Page 1 of 3 pages This standard applies to both silent and sound 16-mm. motion picture projectors. It covers the size and shape of the picture aperture and the relative positions of the aperture, the optical axis, the edge guide, and the film registration device. The notes are a part of this standard. d THROUGH OPTICAL AXIS OF PROJECTOR: (see HOTE s) FILM REGISTRATION DEVICE DRAWING SHOWS ARRANGEMENT AS SEEN FROM INSIDE PROJECTOR LAMPHOUSE LOOKING TOWARD THE LENS Dimension Inches Millimeters Note A (measured perpen dicular to edge of film) 0.380 ± 0.002 9.65 ± 0.05 1 B (measured parallel to edge of film) 0.284 ± 0.002 7.21 ± 0.05 1 C 0.314 ± 0.002 7.98 ± 0.05 3 Ko 0.1 24 ±0.005 3.15 ±0.13 4 Ki 0.1 74 ±0.005 4.42 ±0.1 3 4 fe 0.473 ± 0.005 12.01 ± 0.13 4 Ks 0.771 ± 0.005 19.58 ±0.1 3 4 K< 1 .070 ± 0.005 27.1 8 ±0.1 3 4 Ks 1 .368 ± 0.005 34.75 ±0.1 3 4 R 0.020 maximum 0.51 maximum 1 Approved March 14, 1950 by the American Standards Association Incorporated Sponsor: Society of Motion Picture and Television Engineers Incorporated Copyright 1950, by American Standard Assn., Inc., reprinted by permission of the copyright holder.