F. H. Richardson's bluebook of projection (1935)

Record Details:

Title:
F. H. Richardson's bluebook of projection
Date:
1935
Publisher:
New York : Quigley Publishing Company, Inc.
Volume:
F. H. Richardson's bluebook of projection
Leaf #:
000114
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Media History Digital Library
Sponsor:
{"Media History Digital Library","Jeff Joseph"}
Coordinator:
Media History Digital Library
Description:
Date Added:
August 01, 2024
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96 RICHARDSON'S BLUEBOOK OF PROJECTION Testing for Barrel or Pin-Cushion Distortion, page 120 . < < 87. What is the effect of barrel distortion; of pin-cushion distortion ? 88. Should projectionists test their lenses for barrel and pincushion distortion? 89. How test for barrel or pin-cushion distortion? f Testing for Flatness of Field, page 120 90. Describe a simple process of testing a projection lens for flatness of field. ^o^JL. sum sCtfwA The Why and Wherefore of Focusing, page 121 91. Does a cone of light go forward from every pin-point of the film photograph? 92. What is the function of the projection lens with relation to the cones of light from each pin-point of the film photo • graph ? 93. If distance from the film photograph to the projection iens\ is altered in the least degree, what happens ?-^&&x< 94. Examine Fig. 38 and explain the action it illustrates. • Depth of Focus, page 121 95. Is depth of focus definitely a physical condition? 96. To what is depth of focus proportional? 97. Do all lenses of equal diameter, equal correction and equal y focus have also equal depth of focus? Altering Focal Length, page 122 98. Is it possible to alter the E.F. of a projection lens by lengthening or shortening the distance between front and back factors without injury to the lens? Picture Dimensions and E. F. of Projection Lens, page 122 99. Can any projection lens be made to project a picture at any distance?, '