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

Page scan 000101 from Third Dimension Movies And E X P A N D E D Screen

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 #:
000101
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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98 THREE-DIMENSIONAL MOTION PICTURES not give results of any value. Provided, however, the optical system was satisfactory we would have achieved FILM CAMERA Lois v 2x GAULEAH TELESCOPE A photographic lens to which a 2X Galilean telescope is added to reduce the focal length to half of its original value. a result identical with the result we might have obtained with a new camera objective of just half the focal length of the original. You will remember that this is one of the expedients mentioned a moment ago for in creasing the angular field of view. The proposal under examination, however, is unique in that instead of lenses with spherical surfaces it employs lenses with cylindrical surfaces so that the added telescope, if we may still call it such, has magnifying power in one direction only, while in the direction at right angles it has no optical effect at all. If such a system be added to a camera lens it will have the effect of apparently altering the focal length of the latter in one diameter while having no effect on focal length in a second dia meter perpendicular to the first, if the added system be located such that its active plane is horizontal we would be in effect taking a picture through a lens of,