With the Double Super-8 Magazine attached, full display of the Elmo Zoom C-300 performance is realized.

This magazine is:

  1. Revolutionary. When attached to the main body of the Elmo Zoom C-300, it allows continuous shooting of 30-meter (100 feet) Double Super-8 film.
  2. Convenient. Once the first side of Double Super-8 film has been shot, the camera automatically stops and film change is made simply by turning the magazine upside down without reloading the film.
  3. Versatile. Filming techniques such as reversing and overlapping are possible.

Double Super-8 Film

  • Double Super-8 film has a width of 16 mm., twice that of Super-8 film (8 mm.).
  • Simultaneous shooting on both sides of the film is not possible. Shooting time per side of 30 m (100 feet) film is six minutes and 40 seconds (18 frames per second). Thus, continuous shooting time for both sides totals 13 minutes and 20 seconds.
  • Films returned from the processing laboratory after being developed is in the form of film 60 meters in length (200 feet).


Type of camera: Elmo Zoom C-300 (main body)

Type of Film: Double Super-8 film 60 m. (200 ft.) on both sides. Spool loading.

ASA Number: 10, 20, 25, 40, 50, 100, 160, 250, 320. Manual adjustment.

Film Counter: Accumulated 60 m. (200 ft.) automatic return system.

Reverse shooting: Possible

Weight: Magazine 1.3 kg. When attached to C-300 camera body, 2.5 kg.

Power source: Four UM-3 dry cells. Four additional batteries are necessary for C-300 camera body. As accessory, external power source connector is available.

Remote Control: Possible

Changing the Finder

Before attaching the Double Super-8 Magazine to the body of the camera, change the finder.

Remove the finder, fixed to the camera body, by turning to the left and install the special finder.

Changing the Carrying Strap

Remove the carrying strap from the camera body, and attach the special carrying strap in its place.

  1. Insert the strap into the fitting on the front
  2. Insert the retaining pin into the fitting at the back and screw it into the hole on the opposite side.

Inserting Batteries

First, insert the UM-3 dry cells and the mercury cell into the body of the C-300.

Install the four UM-3 dry cells into the magazine in the following manner.

Press the battery cover buttons and pull the cover in the direction of the arrow to open.

Insert the four dry cells into the case in accordance with (+) and (-) marks.

Cell Life

New UM-3 dry cells can be used to shoot approximately two rolls of 30 meter (100 ft.) film. When two rolls have been shot, all eight dry cells (four in the camera body, and four in the magazine) should be changed.

The M-position (for indicating voltage of dry cells which drive the motor) of the battery test switch cannot be used when a Double Super-8 Magazine is loaded in the camera, since meter deflection is excessive.

Mercury cell life can be checked by the battery meter.

When the battery test button is pushed on the M side, the magazine take-up spindle rotates, but this is not a trouble of the camera.

Film Loading

1. Raise the side cover release knob and turn it to the left to open the side cover.

2. Open the pressure plate by pushing it in the direction of the arrow.

3. Turn the retainer knob on the Elmo take-up spool (at the lower spindle) to either the left or right and remove the spool.

4. Be sure not to loosen the unexposed roll of film and draw out about 40 centimeters (16 inches) of film, place it on the upper spool spindle, and fasten it in place with the retaining knob; slip the film into the sprocket shoe and onto the sprocket, load the film along the white line around the loop setter and insert it.

If more film than necessary has been drawn out, film may be completely taken up (wound off one reel) after shooting the first side. Under such conditions, it is impossible to shoot on the second side of the magazine.

Therefore, if the film should be completely taken-up by the Elmo take-up spool on the side “1”, replace the spool containing film (Elmo take-up spool) to the other spindle and thread the film manually again. Reloading should be done in subdued light. Then start shooting the second half of the film in the same manner as a new film is loaded.

In this case the footage counter starts at “0” instead of “100”.

5. Insert the film by slipping it into the film gate and close the pressure plate.

And load the film through the lower loop setter and the sprocket.

6. Press the sprocket and pull the film to insure that perforations (film transporting holes) and sprocket teeth are properly engaged. If the sprocket moves when the film is pulled, it proves the sprocket teeth and the film perforations are engaged.

7. Wind the film 2-3 turns onto the Elmo take-up spool then place the spool to the lower spool spindle and fasten it by turning the retaining knob.

8. Check the following:

  • Proper engagement of film perforations and sprocket (photograph 6)
  • Proper placement of film into the film gate (photograph 5)
  • When the film comes off the sprocket, open the hollow of the sprocket shoe with the finger.

Replace the side cover after properly loading the film.

Magazine Installation

Turn side “1” of the Double Super-8 Magazine toward you, and attach it to the camera body. At this time, the figure “1” on the spool appears at the film indicating window on the camera body.

Insert the magazine into the camera body until it does not go far and pushing the magazine lightly to the camera body, turn the lock in the L direction.

Turn the ASA dial and set the value according to the ASA number of loaded film.

When attaching the magazine to the camera body, confirm the following:

  1. Whether the FR dial on the C-300 camera body is set to F. If it is set to R and the camera is operated, the footage counter may be damaged.
  2. Whether black figures appear on the footage counter of the magazine. If red figures appear, the motor will not operate for side “1” even when the shutter button is pressed. See Side “1” and “2” Changeover Pin.

When shooting with Kodackrome [sic] II type A (ASA 40 for night use with tungsten lamp light) for outdoor daylight shooting, attach the Elmo 85 filter to the front of the lens. On this occasion, set the ASA dial at the orange coloured (A). When shooting with artificial illumination, the 85 filter is not necessary. Set the ASA dial at 40.

Threading Test

Before shooting, press the shutter button and run the film until the footage counter shows “0”. hen the film is loaded, it shows “S”. When running the film, checks must be conducted to make certain film is being transported properly. An inspection window is located on the magazine for this purpose. The inspection window can be opened by sliding the sliding cover and by turning the enclosed inspection window cover release knob.

Open the window and inspect. Points to be checked are:

  • Whether or not the film loop is intact, still maintained as it was initially set.
  • Whether or not the film advance is as it should be: smooth and unobstructed.
  • Whether or not any abnormal noises occur during film transport

If the loop is not properly maintained, correct by turning the loop setter knob in the direction of the arrow while transporting the film.

If the film is not being properly transported, even after repeating this action, remove the magazine and again check whether or not the film has been loaded correctly.

Film Counter

The film counter consists of frame counter and footage counter.

The dial of the frame counter moves one gradation per two frames and one rotation of the dial is equivalent to exactly one foot (72 frames) of film. The zero point of the frame counter can be set by turning the outer ring.

When Shooting of the First Side is Completed

When shooting of the first side is completed, the motor stops automatically and the black figure 100 changes to the red figure 100 on the footage counter. Turn the lock knob to the 0 direction and detach the magazine from the camera body.

Then, turn the magazine upside down and reattach it to the camera body. The film indicating window should show the figure 2 at this time. To check proper film transport before starting to shoot, remove the finder and repeat the procedure outlined in Threading Test.

Shooting is completed when the footage counter shows a reading of 200. Run the film until the motor comes to an automatic stop.

Remove the film together with the spool and forward it to be developed in accordance with instructions given with the film.

After sending the film to the laboratory, the empty Elmo spool should remain in the magazine.

Side “1” and “2” Changeover Pin

The side “1” and “2” changeover pin appears, when the sliding cover is slided. When switching this pin to “1”, black colored figure appears in the footage counter. When switching this pin to “2”, red colored figure appears. If the color of the figure in the footage counter and that of the film indicating window are different, the camera does not run even though shutter button is pushed. The cases when it is necessary to operate the Side “1” and “2” changeover pin are as follows:

  1. When the footage counter is showing red colored figure even though a new roll of film is loaded.
  2. When testing the threading with the attached test film. The length of the test film is about 6 m. (120 ft.) Test threading should be stopped before the footage counter shows 20 on the first side. And detach the magazine, change over this pin to “2”, turn the magazine upside down and re-attach it to the camera body. Then test the threading of the remaining half side “2”
  3. When the camera runs without a film, the camera automatically stops after 100 ft. running. But, if the magazine is detached and re-attached by turning it upside down before the camera stops automatically on the side “1”, then change this pin to “2”
  4. CAUTION: While photographing, do not operate the Side “1” and “2” changeover pin.

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