H-16 REX-4

16mm Camera


  • OVERALL DIMENSIONS: 8 1/2" x 6" x 3"
  • WEIGHT: Approximately 6 lbs
  • OUTER CASE: Highly polished duraluminium body, covered in genuine Morocco leather. Metal parts are chrome-plated.
  • FILM CAPACITY: 100ft (30m) daylight loading spools of 16mm film.
  • THREADING: Automatic threading and loop forming. The end of the film is simply placed in a channel leading to the feed sprocket. The release is pressed and the film is then automatically threaded throughout the entire mechanism.
  • MOTOR: Constant speed, spring motor mechanism; governor controlled. Large winding handle folds downward and attaches to camera when not in use. Spring cannot be over-wound. 8:1 and 1:1 external drive shaft permits the attachment of an electric motor.
  • TURRET: Rotating turret with folding lever; Accommodates three interchangeable RX type C mount lenses; Built-in turret lock lever.
  • VIEWFINDER: 10x magnification; Reflex viewing with semi-reflecting prism system; Groundglass focusing; Adjustable to eyesight. The camera comes equipped with an Octometer viewfinder.
  • FILTER SLOT: Built-in slot holds a gelatin filter behind the taking lens and in front of the shutter.
  • VARIABLE SPEED: 12, 16, 18, 24, 32, 48 and 64 frames per second
  • RELEASE BUTTON: provides for the making of continuous exposures by a finger-tip release on the front of the camera. A side release allows for locked, hands-free running or single frame exposures.
  • VARIABLE SHUTTER: 133 degree variable shutter; Operated manually to decrease exposure time, or with accessory Rexofader to accomplish fade-ins and fade-outs.
  • FOOTAGE COUNTER: adds and subtracts accurately in forward or reverse motion and automatically returns to zero when film is reloaded into the camera.
  • AUDIBLE FOOTAGE INDICATOR: A distinct click announces the passing of each 10 inches of film through the gate. This mechanism may be disengaged, if desired, by simply moving a lever.
  • FRAME COUNTER: Twin dial counts frames individually and in total; Adds frames in forward motion and subtracts when film is wound backwards. Dial may be reset manually at any time.
  • SINGLE FRAME: Time lapse and animation is possible by using the side release button or an accessory cable release and adapter; I-T lever allows for timed or instantaneous single exposures.
  • MANUAL REWIND: Clutch disengages spring motor and permits forward movement and backwind without running down the spring; allows for dissolves and superimposition.
  • FLAT BASE: Contains three tripod sockets: Two 3/8" thread and one 1/4" thread. Front of the base is removable for easy mounting of the Bolex Matte Box.

Notes and Comments

The H16 REX-4 was introduced in 1965 and featured a 1:1 drive shaft. This modification allowed for the attachment of electronic sync sound motors such as the Perfectone and MST.

Bolex Cameras in the H16 Reflex Series:

H16 Reflex, H16 REX, H16 REX-2, H16 REX-3, H16 REX-4 and H16 REX-5.

Serial Numbers and Dates of Manufacture

The serial number on this model is inscribed on the flat base of the camera body. The H16 REX-4 began production in 1964 and was introduced in 1965. It continued to be manufactured even after the introduction of the H16 REX-5, as it accommodated users who felt a 100' film capacity was sufficient.

Bolex H16 REX-4 :: Serial Numbers
  #   Year
210601 214000 1964
214000 224000 1965
224000 232000 1966
232000 238600 1967
238600 242110 1968
242111 250185 1969
250186 253018 1970
253019 253673 1971