K1 Automatic

• 

  Bolex K1

• 

  Bolex K1 Couple

• 

  Bolex K1 Woman

Specifications

Overall Dimensions

8 1/2" x 8" x 2 1/2"

Weight

Approximately 2 lbs.

Outer Case

Aluminum body with leather covering; black crinkle-finish paint on top and rear.

Film Capacity

25ft daylight loading spools of double run 8mm film. When a roll runs through the camera, only half the width of film is exposed. The spool is then reversed and run through again, exposing the other half. When processed, film is split and spliced together giving 50' for projection. Projection time at 16 fps for 25' roll is 4 minutes.

Threading

manual, with no loop forming; with the pressure pad opened the film is simply placed over a guide roller, threaded behind the gate, over the bottom guide roller and onto the takeup spool.

Motor

Constant speed, spring motor mechanism; governor controlled. Generous winding key, attached to the camera, folds back against its side when not in use. Spring cannot be over-wound.

Zoom Lens

Kern Vario-Switar 8-36mm f/1.9 zoom lens

Viewfinder

Reflex viewfinder with ground-glass focusing; Adjustable diopter for eyesight correction; Rubber eyecup.

Variable Speed

12, 18 and 40 frames per second

Release Button

Continuous exposures can be made by a trigger release on the front of the grip handle. Cable release socket allows for single frame exposures or continuous hands-free filming.

Variable Shutter

Adjustable dial changes the shutter opening from 0-165 degrees to allow for shortened exposure times and fades.

Footage Counter

Precise reading of exposed film footage. Resets to zero upon reloading.

Single Frame

A cable release socket allows the user to expose single frames for filming animation, titles, etc.

Manual Rewind

A small hand crank allows for rewinding film up to 60 frames.

Automatic Exposure

Electric-eye metering with fully automatic diaphragm and manual override. Film sensitivity of 10-400 ASA.

Grip

Built-in grip with trigger release and socket for cable release. A storage compartment provides room for the backwind handle. The bottom of the grip contains a 1/4" thread tripod socket.

Serial numbers & production years

As documented on this model’s archived page. Look up any serial on the serial lookup page.