The audio-visual handbook (1942)

Record Details:

Title:
The audio-visual handbook
Date:
1942
Publisher:
Chicago : Society for Visual Education, Inc.
Volume:
The audio-visual handbook
Leaf #:
000245
Language:
English
Subjects:
Motion Pictures, Motion Picture Technology
Collection:
Books
Format:
Books
Contributor:
Niles Essanay Silent Film Museum
Sponsor:
Media History Digital Library
Coordinator:
Media History Digital Library
Description:
Date Added:
March 21, 2024
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Sources of Information, Materials and Equipment 227 For 16 mm. Motion Pictures DISTANCE FROM MACHINE TO SCREEN Equivalent Focal Length of Lens 8' 10' 12' 16' 20' 25' 32' 36' 40' 50' 64' 75' 100' 125' 150' 16 mm. Projector WIDTH OF PICTURE %" 1" 4'10" 4'0" 3'0" 2'0" 1'6" 1'2" 6'0" 5'0" 3'9" 2'6" l'lO" I '6" 1'3" I'O" 7 '2" 6'0" 4'6" 3'0" 2 '3" 1'9" 1'6" 1'3" I'l" 9'7" 8'0" 6'0" 4'0" 3'0" 2 '4" 2'0" 1'8" 1'6" 12'0" lO'O" 7'6". 5'0" 3 '9" 3'0" 2 '6" 2'1" l'lO" 12'6" 9'4" 6 '3" 4 '8" 3 '9" 3'1" 2'8" 2'4" 13'5" 9'0" 6'9" 5 '4" 4'6" 3'10" 3 '3" 12'6" 9'4" 7'6" 6'3" 5 '4" 4'8" ll'll" 9'7" 8'0" 6'11" 6'0" 14'0" 11'3" 9 '4" 8'0" 7'0" 18'9" 15'0" 12'6" 10'8" 9'4" ll'll" 8'0" 6'0" 4'9" 4'0" 3 '5" 3'0" 14'11" lO'O" 7'5" 6'0" 5'0" 4 '3" 3 '9" 2" 2V>" 3" 3'/," 4" 23'5" 19'8" 15'7" 13'4" 11'8" 28'1" 22'5" 18'8" 16'0" 14'0" For Lantern Slides, 2%x3-inch Mat Opening Example: A 10-inch lens used at a distance of 40 feet from the screen will project an image measuring 12 feet on its longer side. Equivalent Focal Length of Lens DISTANCE FROM MACHINE TO SCREEN 15' 20' 25' 30' 35' 40' 45' 50' 60' 70' 80' 90' 100' 6" 7% 5i/o 4i/o 10 7% 6 5 4 12 y> 7% 6i/4 5 11% 9 7V2 6 5 4y4 8" 13 ioy2 s% 7 5% 5 15 12 10 8 ey2 5% 5% 4% 10" 131/2 11 Vi 9 7% ey2 5% 5% 15 12 10 8% 8 7i/4 12" 121/2 10 7% ey2 6 15" 14 Hi/2 Id/4 9y4 81/2 16i/2 13 11% 10% 9% 18" 15 13% 12 11 16% 20" 14% 13 y4 12 y4 22" 24"