RP 106:1994 : Film Tension in 35-mm Motion-Picture Systems Operating Under 0.9 m/s (180 ft/min)
The Society of Motion Picture and Television Engineers eBooks · 1994
1.1 This practice specifies the film tension needed to transport 35-mm motion-picture film through a film-handling system operating under 0.9 m/s (180 ft/min) while minimizing conditions that contribute to film damage. 1.2 This practice also recommends methods for testing film tension.