Modern Classic SLRs Series : Canon F-1 - 250 exp. Bulk film Back

Drive System: Film advance with Motor Drive Unit and synchronized film take-up with built-in micromotor. Automatically stops when entire film is exposed. Coupling of Motor Drive Unit: With 3-core, directcouple connector.
Back Cover Interlock: Connected to open/close of film magazines, and Motor Drive Unit.
Size: 333 x 63x l00mm; Weight: 1,170 grams (2.58 lbs.).
Power source, shooting speeds, shutter speeds, and remote control are the same as those for the Motor Drive Unit.
Accessory: -Manual Wind up Adapter

Circuit Construction: 1 motor, 1 lead switch. Loading Capacity: 250 frames. 10 meters (33 f eet). Film Loading: 2 exclusive magazines used, one each for supply and take-up. Film Loader 250 (download the Intruction below) is used for loading film into magazine. Film Magazine: Film Magazine 250 for 35mm strip film Frame Counter: Counts the number of frames..

1. Camera Holding Lever 2. Open/Close Knob 3. Lever Lock Holder 4. White Dot 5. Camera Holder 6. Pressure Plate 7. White Dot 8. Camera Holder 9. Open/Close Knob 10. Camera Holding Lever 11. Back Cover Lock 12. Open/Close Index 13. Frame Counter Setting Gear 14. Supply Magazine Chamber 15. F rame Counter 16. Claw	17. Direct Connector Pins 18. Film Guide Roller 19. Take-Up Magazine Chamber 20. Strap Attachment Ring 21. Magazine Attachment Knob 22. Claw 23. Connector Release Lever 24. Magazine Attachment Knob 25. Back Cover 26. Inner Case 27. Projection 28. Release Button 29. Projection 30. Spool Shaft 31. Film Insertion Slit 32. Outer case

Suggestion: just Download an Instruction Manual for the Bulk Film Loader for 250 Bulk Film Back - courtesy of Mr. Christian Rollinger & User's Manual for Canon 250 Exp. Bulk Film Chamber

Film Chamber 250* (Download this info in Adobe's Pdf file)  

After the Motor Drive made high speed photography and the use of timers possible, together with the system of viewfinders, and the Film Chamber 250 made 250 frames of continuous photography possible, a useful feature when recording documents in large quantities. Thus, the range of high speed photography and the use of timers is considerably enlarged. This new accessory surely improves the work of copying large amounts of documents, recording of experiments, and the coverage of news and sports. It is very easy to mount this unit on the camera. Just put it in place of the back cover of the F-1 and it will be connected to the Motor Drive by means of a contact that couples directly, and it will couple, also, the winding mechanism. Perfect interchangeability in the photographic system, which is the basis of Canon's design policy, is materialized in this case, too. Besides, various safety devices are provided to control any error of operation in the various mechanisms.

Main Features of the Film Back 250:

1. Interchangeable with the F-1's back cover.
2. It couples directly with the Motor Drive.
3.Safety device for circuit connection that works when the back cover of the camera is opened or closed
4. It stops automatically when the film runs out.
5.Trouble-free operation.

Attaching / Operating the Film Chamber

1 The Film Chamber is attached to the camera place of its back cover. When removing the back cover, push the pin of the hinge down that then the cover may be easily removed.
2. The holder knobs for opening and closing are located at the top of the Chamber, are both pulled up after unlocking them. Then they must be turned to the outside to be able to open the body holder.
3. Fit the Chamber into the groove where the back cover is attached and push the camer body towards the Chamber to align the index mark of the camera to the white dot of the Chamber.
4. After putting the strap fittings out of the way turn the holder knobs
inward and fix the Chamber securely on the camera body.
5. When attaching the Motor Drive Unit, it is easier to do so after attaching the Film Chamber. When removing the Motor Drive Unit, it is more convenient to remove it before the Chamber.
6. When attaching the Filrn Chamber to the camera assembled already with the Motor Drive Unit, fit the Chamber from an angle so that the metal lock of the Motor Drive Unit may be caught at the pawls located on the opposite side of the Chamber connector.
7. When removing the Chamber from the camera while the Motor Drive is attached, pull the Chamber Coupling Connector Lever to uncouple it and then the Chamber may be removed.

Without attaching the Motor Drive to the Camera, the Film Chamber 250 alone can perform manual film advance. In this case, because there is no power to drive the film, it is required to wind the film into the take-up Chamber by turning the knob under the take-up magazine.

Concept | Reliability Issue | Motor Drive Units | Macro | EE Servo / Booster Finder | Bulk Film Back | CAT (Flash System | F1 High Speed | ODF-1 | Placid | Assembling Diaphragm | Canon FD & FDn lenses

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An external source Prepared by Christian Rollinger for Canon F1's Camera Operational Manual in PDF (2.58MB)

Update: Scanned Copies of Canon F-1 Repair Manual (4.8MB) at Christian Rollinger website.

Other Canon Resources: If you have a New Canon F-1...
Canon FD Lenses Site | Canon A and T Series SLR models

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