Society of Motion Picture and Television Engineers - A Proposed New Series of Standard Focal Lengths for Motion Picture Projection Objectives

Author(s): Wilbur B. Rayton
Publisher: Society of Motion Picture and Television Engineers
Publication Date: 1 September 1930
Volume: 15
Page(s): 277 - 280
ISSN (Paper): 0097-5834
DOI: 10.5594/J06543
Regular:

In the early days of motion pictures, projection objectives were supplied in a series of focal lengths which differed from each other by only an eighth of an inch. The burden of making and... View More

Advertisement