MSRBot.io | Reference Tree — A New f/1.5 Lens for Professional 16-Mm Projectors

Current document root: Journal of the Society of Motion Picture and Television Engineers ( Volume: 54, Issue: 3, March 1950)

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(1) Dallmeyer J. H. , U.S. Pat. 65,729 ( 1867 ).EXTERNAL
(10) Aklin G. H. , “The effect of high index glasses on the field characteristics of photographic objectives,” Jour. SMPE , vol. 38 , pp. 841 – 844 ; October, 1948 .EXTERNAL
(11) Rayton W. B. , “A proposed new serìes of standard focal lengths for motion picture projection objectives,” Jour. SMPE , vol. 15 , pp. 270 – 280 ; July, 1930 .EXTERNAL
(2) von Voigtländer F. , Ger. Pat. 5761 ( 1878 ) or equivalent Br. Pat. 4756 (1878).EXTERNAL
(3) Repp W. H. , U.S. Pat. 1,479,251 ( 1922 ); A. Warmisham, U.S. Pat. 1,484,853 (1922); C. Graf, U.S. Pat. 1,610,514 (1925); R. Richter, U.S. Pat. 1,843,519 (1931); and A. Warmisham, Br. Pat. 485,096 (1936).EXTERNAL
(4) Kingslake R. , “Resolution tests on 16 mm projection lenses,” Jour. SMPE , vol. 37 , pp. 70 – 75 ; July, 1941 .EXTERNAL
(5) Schade W. , U.S. Pat. 2,158,202 ( 1939 ).EXTERNAL
(6) Merté W. Richter R. von Rohr M. , Das Photographische Objectiv , pp. 10 – 11 ; Springer , Wien , 1932 .EXTERNAL
(7) Merté W. Richter R. von Rohr M. , Das Photographische Objectiv , pp. 326 , 329 ; Springer , Wien , 1932 . For other lenses embodying a field flattener, see: H. D. Taylor, Br. Pat. 127,058 (1917); A. Warmisham, Br. Pat. 492,311 (1937); and F. W. Gehrke, U.S. Pat. 2,187,780 (1938).EXTERNAL
(8) Wood D. , U.S. Pat. 2,076,190 ( 1934 ).EXTERNAL
(9) Kingslake R. De Paolis P. F. , “New optical glasses,” Scientific Monthly , vol. 68 , pp. 420 ; June, 1949 .EXTERNAL