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

Page scan 00060 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 #:
00060
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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THREE-DIMENSIONAL MOTION PICTURES 57 The point I of the object emits rays in all directions but only the ray / s enters the instrument due to the extreme smaliness of o.^ This ray will then impinge upon s on the screen and can be viewed either by reflection, by placing the eye at any place in front of the screen or by looking at it from points behind the screen if the screen is translucent. The ray I s in the figure is perpendicular to the opening and it marks the position of the imaginary line called the Axis. The point o on the axis becomes the meeting point of all the rays which, coming from the object are admitted through the open ing into the camera obscura. Therefore, if two other object points are considered, such as I and I' we can easily understand that only one of the rays emitted by these points will pass through o and impinge upon the screen at the points s and s' respectively. Every point of the object placed in front of o will then transmit one single ray through the opening and each one of them will strike the screen at a point dependent upon the inclination of the ray in respect to the axis. Each object point will, therefore, have its corresponding im age point on the screen. Two such similar points are said to be conjugate points.