BOLEX SBM MECHANICAL SYSTEM
Powerful spring motor with high precision governor (drives 5 m 16.5 ft of film with a single winding). • The camera can be fitted with an auxiliary electric motor. • Shutter with variable opening angle (with the camera stopped as well as while filming); maximum opening 135°; shutter closes when camera stops.
Operation: normal foward motion, continuous and single-frame filming, full rewinding with hand crank. • Automatic threading; spool ejection; loop former.
Filming speeds 12,16,18,24,32,48 & 64 fps + single frame.
OPTICAL SYSTEM
Reflex fiewfinder with light captured through exceptionally sturdy, swivelling, misadjustment proof prism, mounted in front of the shutter. • No flicker; picture always visible. • Fine ground glass on prism itself. • Magnification 13 x. • Adjustable eyepiece: ± 5 diopters. • Rubber eyecup, directional and can be folded over. • Viewfinder light trap. • Field of view corresponding to standard 16mm projection field. • TV frame: 8.40x6.30 mm; R=1.7 mm.
Field of View on Normal 16mm/Super 16mm Camera. Camera has switchable front plate for centering the field of view for Super 16 ‘S’ and Normal 16 ‘N’. When front plate is set on ‘S’ entire 1:1.66 field corresponds to blow up for 35mm or projection on special Super 16 projector, arrows show the 1:1.33 field for normal TV and wide screen TV letterbox, full width 1:1.77 for wide screen TV and HDTV. When front plate is set on ‘N’ engraved corner

marks corresponds to a normal TV frame with a ratio of 1:1.33.
• Extremely rugged bayonet lens mount. • Bearing on three small tongues. • Centering diameter: 60mm. • Focal flange distance: 23.22 mm. • Easily adapted for most "C" mount lenses with special adapter plate.• Focal flange distance: 23.22 mm (17.52 mm .690" with adapter for "C" mount).
• Built-in, retractable, filter slot for gelatin filters.
LIGHT METER
The H16 SBM spring camera can be equipped with the Vario-Switar 100 PTL or 100 POE-4 lenses with built-in light meter, which automatically sets the diaphragm during filming. We also offer an optional built-in light meter.
SYNCHRONOUS SOUND RECORDING
Camera equipped with ESM auxiliary electric motor: With speeds of 10, 18, 24, 25 or 50 fps. • Speeds of 24 and 25 fps stabilized according to sync pulse standards.Crystals are available in the following configurations: 24/25 fps with 50/60 Hz pilotone pulse signal. 24/25 fps no pilotone. 23.970 fps no pilotone.
. Maximum deviation with any of the crystals for 400 ft of film: less than one frame. Another USA made after market motor TXM-20B allows filming at 12-15-24-30-48 fps crystal controlled
GENERAL
Capacity: all single or double perforated 16 mm films on 100 ft spools; possibility of fitting 400 ft magazine.
• Frame counter. • Counter in feet or meters. • Front release for normal operation.