Modern Classic SLR Series
Nikon F2 Series Models
Film Back for Nikon F2 Series bodies - Part II

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Nikon MF-2 750 Bulk Film Back

This awesome 2.8 kg "Mighty Joe Young" bulk film back magazine could well be possibly the LARGEST and store MOST images in a singular film magazine in any 35mm SLR photographic system - even until today ! For shooting situations that require more than 250 exposures, the MF-2 Magazine Back is available. Giving up to 750 exposures at one loading, the MF-2 utilizes a double cassette film transport system using two MZ-2 film cassettes.
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A film cutting knife allows you to remove partially exposed films mid-roll with no risk of fogging the exposed frames. Firing speeds are adjustable in four steps (1, 2, 3 or 4 fps) , up to a maximum of 3.8 - 4 fps, using the MF-2's own built-in control panel.

It accept a standard 100 feet roll of conventioanl film and gives you up to 750 exposures at one loading. Interesting part is, the film advance is actually driven via a mini motor inside the MF-2 rather via MD-1 or MD-2. Selection of frame firing rate is control via the control panel at the back of the magazine. Other noteworthy features are: A remote terminal is provided which can be connected to receiver of Remote Unit ML-1; an additive frame counter which also can be reset; the shutter release button has a safety circuit to prevent accidetal firing and a film end sensor is provided. The MZ-2 750 exposure film cassete which works similarily with MZ-1 to MF-1 has a capaciy to host 100 feet film of bulk film and each has a built-in auxiliary micro-motor to monitor smooth film transportation.You need not have to make use of the bulk film loader as the film can be loaded directly into the MZ-2. It even has a built-in film cutter to allow partial exposed film removed from the back for quick processing if such situation demands.

This was a special order item and mainly used it for scientific, industrial processes, sport/actons, survellance or whatever extended opearation without interuption is essential. But it can also be preset to stop automatically after a desired number of frames is reached.

Actually, other than it XXXXL super-king SIZE, Rarity, Pricey and possibly MIGHTY expensive, nothing can be added in this section - as I have never seen one before myself. So, anything that I said may not be truthfully interpreted, so , all I can do here for you is just to provide you with the technical specifications which I have managed to acquire for your cross references.

<<< --- Monk in T2 outfit, Bangkok. Copyright © images 2000. MCLau® Hosted by: Malaysian Internet Resources

Specifications for MF-2 (750 Exposures Bulk film magazine Back for Nikon F2 series)

Usable camera in combination: Nikon F2, Nikon F2 Photomic, Nikon F2 S, Nikon F2SB Photomic, F2A or F2AS Photomic with, camera back and in place with Motor Drive MD-1 or MD-2 attached. Note: MD-3 is
NOT usable with this film back.
One charge of film: Up to 750 picture frames
Loadable length of film: Up to 100ft (30.5m)
Picture taking speed: Picture frames 4 (precisely 3:7), 3, 2 or 1 per second for successive exposures. Single exposure is also possible
Usable shutter speed: 1/125 - 1/2000 sec. for successive exposures; X setting (without mirror-up); 1 - 1/2000 sec. and B for single exposure
Camera attaching: One-touch lever system. Camera detachable only when the film feed side O-C knob is set to "Open"
Picture frame counter: Additive system, indicating the advance of picture frames one by one. Can be changed-over to manual operation at any position
Film-end detecting mechanism: Provided, permitting detection of film end and stopping operation of Motor Drive
Film cutter: Enable cutting off the film at any position for taking out exposed length of film
Film magazine: Double-magazine system adopted. Using Magazine 30FA99L
Magazine ejecting lever: Facilitates taking out the magazine
Remote control: By using the remote control socket on the rear side of Magazine Back
Power source: AC/DC convertor MA-2 or MA-4 via MC-2 Cord. No battery used.
Dimensions: 425mm x 144mm x 129mm
Weight: About 2.8kg , without magazine; Magazine weight: about 300g each

Nikon MF-3 Rewind Stop Film Back

The most common special purpose film back among all film backs designed for Nikon F2 is MF-3. It is also called "MF-3 Rewind Stop Back". It attaches to the camera and used in conjunction with Nikon MD-2 Motor Drive.

MF-3 Film Back.jpg
The motor rewind stops automatically as soon as the film leader becomes disengaged from the take-up spool, leaving a two-inch leader of film sticking out of the cassette. Further, the tiny LED pilot lamp located between the speed selector knob and the rewind lever glows to indicate that rewinding is complete.Note: The LED pilot lamp will glow each time during normal film advance.

MF-3 camera back is very easy to recognized as it has a unique moulded finger grip for positive camera holding. However, MF-3 is not compatible with the MD-1 nor can be used with Nikon MD-3 to provide this function. Why ? because among all the drives designed for F2, only MD-2 has the electrical contacts at the rear of the drive that will mate with the protruding section of the film back to provide auto film rewind stop function during power film rewind. On the other hand, MF-3 does not has power film rewind and thus, MF-3 is more like a specific dedicated film back for MD-2.

Whether is it a good idea to leave the film leader out on exposed film roll is a matter of personal preference but I would advise not to do so without valid reasons as it may cause confusion to exposed or fresh film rolls. Although the MF-3 is an optional accessory, ONLY MD-2 motor drive in combination with the MF-3 provides those who do not wish their film completely rewound into the cartridge with the alternate solution of leaving the leader protruding.

Cross reference: Compared this model with MF-6B for Nikon F3.
The MF-3 is just a special purpose added on film back to the F2 and it works with 36 exposures. However, there is another specialized Back which has a data superimposition mechanism and also works with 36 exposure film rolls. This film back was sold along with special Nikon F2 DATA Camera Set.

MF-10 36-Exposures DATA Imprinting Film Back for Nikon F2 DATA Camera Set

The Nikon DATA Camera Set was a made-to-order unit and remained as one of the most scarce in number amomg all Nikon F2 bodies. It has two versions, diffferenciate by its capacity of 36 exposure or 250 bulk films. The complete setup comprises of a Nikon F2 camera with appropriate metered prism and a Type-S focusing screen and a removable mask inside the camera; a Motor Drive Unit of either MD-1 or MD-2 with power pack MB-1 and the Data Film Back of either 36-exposures MF-10 or 250-exposures MF-11. Both of the Data Back incorpoated with built-in Data Imprinting mechanism which even permits hand written notes onto the tiny masking area so as to exposure onto film during exposure. Both Backs has a cord that plug-into the PC terminal just as flash unit to activate (similar to older
MF-12 Data back for Nikon FM & Nikon FE series SLR bodies).

Specifications for MF-10 Data Film back

Type of device: 35mm SLR camera with data superimposition mechanism
Type of camera : Specially-prepared F2 Nikon camera body
Type of camera Back: Nikon Databack MF-10 for 36-exposure operation
Usable film: All black-and-white films of from ASA 25 to ASA 1600; color films (both transparency and negative type) of from ASA 25 to ASA 640

Flash unit: Short-duration output type powered by two 1.5V AA-type batteries mounted in the rear of the MF-10; maximum flash operation rate approximately one flash per second

Optical system
: 10mm f/1.8 lens provided in MF-10 lens construction of 4 elements in 4 groups; aperture control provided for exposure adjustments to match film in use; lens reproduction ratio of 1:5.56 employed

Data superimposed: Time via timepiece unit built into body of MF-10 (maximum 24 hours operation); date via built-in dating unit (year settings of 11 years, month settings of 1 - 12, day settings of 00 - 99); additional miscellaneous data (handwritten) via slip=in memo plates (area of 12x21mm provided); ten memo plates provided; data area of 3.5 x 10mm recorded on left side of frame
Number of flashes: Approximately 250 when fired every 1 second at normal temperatures and using alkaline-manganese batteries
Battery: Four 1.5V AA penlight batteries
External power: Via socket provided at rear of MF-10; stable 300 - 330V DC input required
Dimensions: 176.5 (W) x 69 (H) x 60 (P) mm
Databack weight: Approximately 400g (without batteries)

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Copyright © 2000. leofoo ®. MIR Web Development Team.

In memory of my friend Com. Augusto Staut, Brazil, 1971-2000.

Credit: Chuck Hester, US for his patience, encouragement and help to setup the various content in this site; Robert Johnson for some of his original images on the F2H-MD appeared in this site; my ex-staff, KiaSu for his superb 3-D logo appeared in this Nikon F2 site; Marc Vorgers from Holland who generously provide me with some of his images of F2AS; MCLau®, who has so much time with me to re-edit the content in this site and not to mention buying a Nikon Coolpix 990 just for this site. Keat Photo, Kuala Lumpur for providing their Nikon F2A to take some images for this site; again, Mr Edward Ngoh the great camera collector who provides us his collection of F2AS with MD-2; for their images on the Speed Magny film backs; Sean Cranor for his image on Nikon F2 25th Anniversary Model; Ted Wengelaar®, Holland for his continuous flow of input on some of the early Nikon bodies; CYLeow ® , photo editor of the Star newspaper, Malaysia for some of his images used in this site. Ms Rissa Chan, Sales manager from Shriro Malaysia who has helped to provide some of the very useful input. HiuraShinsaku®, Nikomat ML, Japan for some of his images on various F2 models; my staff, Wati, Maisa, Mai and my nephew, EEWyn®, who volunteered and helping me did so many of the film scanning works. Contributing photographers or resellers: Jen Siow, Foo KokKin, Arthur Teng, Mark Fallander, John Ishii, Ed Hassel, YoonKi Kim, Jean-Louis, M.Dugentas (Dell, Mr "Arsenall" and a few images mailed in from surfers with no appropriate reference to their origin. Dedicated to KU Yeo, just to express our mutual regrets over the outcome of a recent corporate event. Made with a PowerMac, broadcast with a Redhat Linux powered server.

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