16 Mm Film - Technical Specifications

Technical Specifications

• 7.62 mm per frame (40 frames per foot)
• 122 m (400 feet) = about 11 minutes at 24 frame/s
• vertical pulldown

16 mm

• 1.37 aspect ratio
• enlarging ratio of 1:4.58 for 35 mm Academy format prints
• camera aperture: 10.26 by 7.49 mm (0.404 by 0.295 in)
• projector aperture (full 1.33): 9.60 by 7.01 mm (0.378 by 0.276 in)
• projector aperture (1.85): 9.60 by 5.20 mm (0.378 by 0.205 in)
• TV station aperture: 9.65 by 7.26 mm (0.380 by 0.286 in)
• TV transmission: 9.34 by 7.01 mm (0.368 by 0.276 in)
• TV safe action: 8.40 by 6.29 mm (0.331 by 0.248 in); corner radii: 1.67 mm (0.066 in)
• TV safe titles: 7.44 by 5.61 mm (0.293 by 0.221 in); corner radii: 1.47 mm (0.058 in)
• 1 perforation per frame (may also be double perf, i.e. one on each side)
• Picture to sound separation: sound in advance of picture by 28 frames for optical sound and 26 frames for magnetic.

Super 16

• 1.66 aspect ratio
• camera aperture: 12.52 by 7.41 mm (0.493 by 0.292 in)
• projector aperture (full 1.66): 11.76 by 7.08 mm (0.463 by 0.279 in)
• projector aperture (1.85): 11.76 by 6.37 mm (0.463 by 0.251 in)
• 1 perforation per frame, always single perf

Ultra 16

• 1.85 aspect ratio
• camera aperture: 11.66 mm by 7.49 mm (0.459 by 0.295 in)
• projector aperture: 11.66 mm by 6.15 mm (0.459 by 0.242 in)
• 1 perforation per frame (may also be double perf, i.e. one on each side)