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 #:
000112
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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94 RICHARDSON'S BLUEBOOK OF PROJECTION Lens Curvature, page 113 51. Of what surface arc the surfaces of lenses (except para bolic) used in projection duplicates ? 52 What would be the optical result of placing two pi; convex lenses with their flat surfaces in contact." 53 What is the effect of spherical aberration ?<wi^U&^ 54 In what way may spherical aberration have considerable value? r^ Lenses Cannot Focus Objects to a Point, page 114 55. Explain why it is impossible .for any lens to focus any object to a point. 56. In just what manner is an image formed by a lens ? The Projection Lens, page 114 57. What kind or variety of lens is the projection lens? 58. Does balsam sometimes deteriorate or "melt"? What must be done if it does? 59. What is the advantage and disadvantage of cementing the n rear lenses? 60 If one element of a compound lens is injured or broken, must the whole lens be sent to the manufacturer for repair? 61. Why must the broken part of a lens be included in the shipment ?lv 62. Have odd lenses or parts of compound lenses any value j Ordering Lenses, page 115 63. When ordering lenses, what data must be supplied to insure proper selection? .-f*"'.-' Range' of Projection Lens Focal Lengths, page 116 64. What focal length projection lenses are carried regularly in stock by manufacturers and some dealers?