Society of Motion Picture and Television Engineers - Can the Efficiency of the Present Condensing Systems be Increased?

Author(s): Hermann Kellner
Publisher: Society of Motion Picture and Television Engineers
Publication Date: 1 October 1923
Volume: 7
Page(s): 133 - 140
ISSN (Paper): 0096-6460
DOI: 10.5594/jj00019
Regular:

AN optical instrument will work with highest possible efficiency when each of the optical and mechanical components themselves are of the efficiency required for the case and so co-ordinated that... View More

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