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

Page scan 000279 from Journal of the Society of Motion Picture Engineers

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 #:
000279
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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Object distance in rhos 80 70 :., Sign co + V€ — Vt Project nvention: parallax parallax on: ZCL = uncro cross 0 ssed id 60 S hot as on inal nega 'actual) \ Banners 2< on| // 50 \ S/ > S V ',' / SS / Shot < as plannpd 40 / / / \ anted) s , y \ N -ve: \ ^' W/ Shot as obtained diverger ice s\f r 'correcte d) s\ f/ 20 S y 10 ,' /* Zr ' in mils ) +30 +25 +20 + 15 -rlO + 5 0 -5 -10| -15 -20 -25 N factors at M . 218 i W = 15 ft) -^ NO NI N2 N3 Fig. 8. Graphical analysis of Slate 35 of The Black Swan, showing relation between object distances in scene and nearness factors in cinema, together with method of postcorrection of convergence errors by optical printing. Object distance in rhos 80 / XT, ~ Front banners (N2.85) 70 /Front /t I7 banners// ' ?$£ Sign convention: +ve parallax uncros -ve parallax crosse Projection: ZcL = 0 sed 60 / / / J/1 A Shot as ( iginal neg actual )tained :orrection ted) >n i s: lOt / 50 ' 'A Xj Sh r ( > / \ ot as o >ptical i^correc Stereo est [wa Ued) \> 40/y> // aft* 40p -2.2 mils N -ve Region of // // 30 ce / / / /// '/<*-* // / 22p +6.4 m ) Stere< s f test 10 > // ^ '// +0.8 mils correctior + 10 +30 +25 ^J // + 15 +5 0 -10 -15 Zc i.in mil -20 ) -25 N factors at M = 218 (W = 15 ft; — *• No NI Fig. 9. Graphical analysis of Slate 15 of The Block Swan, as Fig. 8, but showing also how the Stereotest readings are plotted to give the depth relationships on the camera negative. 270 October 1952 Journal of the SMPTE Vol.59