Third Dimension Movies And E X P A N D E D Screen (1953)

Record Details:

Title:
Third Dimension Movies And E X P A N D E D Screen
Date:
1953
Publisher:
Cameron Publishing Company
Volume:
Third Dimension Movies And E X P A N D E D Screen
Leaf #:
00043
Language:
English
Collection:
Books
Format:
Books
Contributor:
Universal Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
July 19, 2022
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i|0 THREE-DIMENSIONAL MOTION PICTURES presslon is not brought to the maximum ability of the retina to collect it, so that a light of low intensity, but long duration, makes a greater impression on the retina than a light of higher intensity but of extremely short duration. In all apparatus dependent upon the phenomenon of persistence of vision the length of the stimulus must be sufficient to make its full impression on the retina and the intermittences must be of a duration sufficient ly short to overlap the gradual decrease of the first with the increase of the second. It has been established that the most efficient dura tion of the stimulus in the presentation of motion pic tures with the average light intensity of the projection arc is of approximately 1/50 of a second with an equal interval of darkness. (Frequency 50.) PERSISTANCE OF OPTICAL IMAGINATION For years this theory of persistance of vision has