Journal of the Society of Motion Picture Engineers (1930-1949)

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Proposed American Standard Dimensions for 16mm Single-Perforated Motion Picture Film PH22.12 Revision of Z22. 12-1 947 -1 a B oil P. 1 of 2 pp. Dimensions Inches Millimeters *A tB C D *E U R 0.629 ± O.OOl 0.3000 ± 0.0005 0.0720 ± 0.0004 0.0500 ± 0.0004 0.036 ± 0.002 30.00 ± 0.03 O.OIO 15.98 ± 0.03 7.620 ±0.01 3 1.83 ±0.01 1.27 ±0.01 0.91 ± 0.05 762.00 ± 0.76 0.25 These dimensions and tolerances apply to negative and positive raw stock immediately after cutting and perforating. *For low-shrink film as defined in Appendix 2.. A shall be 0.628 ± 0.001 and E shall be 0.0355 ± 0.0020 in. fin any group of four consecutive perforations, the maximum difference. of pitch shall not exceed 0.001 in. and should be as much smaller as possible. tThis dimension represents the length of any 100 consecutive perforation intervals. NOT APPROVED December 1952 Journal of the SMPTE Vol. 59 531