RE: KODAK HIE in 120 rolls

[Bill Hoy <bhoy@xxxxxxxxxx>]

Slitting and respooling film is a skill well developed by subminiature
photographists. minox users routinely split 35mm film down to 9.5mm (4
rolls per 36 exposure roll). The design of a flatbed splitter could be
easily modified to accomodate 70mm film.

 See http://www.slonet.org/~dkrehbie/2photo/negative/slitter/slit.htm
for a slitter design.

I do believe that backing paper WILL be necessary, if only to accomodate
camera deisgns. Experimentation should clarify this....

Bill Hoy
Bedford, VA

The At 12:26 PM 8/2/98 -0700, you wrote:
>I recently talked to a Kodak representative regarding getting HIE in
>120 format.  After a short discussion I found out that Kodak can make
>70mm HIE that is unperforated.
>
>The standard width of 120 roll film is about 61.5 mm. Therfore the
>70mm  film could be trimmed down by removing about 8.5 mm from one
>side, cutting the film in about 2.75 feet sections,  and then
>attatching it to a 120 spool to be loaded in your camera.  The paper
>backing could probably be ignored since it doesn't seal out the light
>around the edges anyways.
>
>I have made a simple device to cut down the film, however the biggest
>problem lies with Kodak.  The minimum order for unperforated 70mm HIE
>is 36 rolls (each roll comes on a spool that holds 150 feet of film). 
>At over $200 (USA dollars) a roll,  the minimum order would cost me
>over $8000 dollars.
>
>I have also made a simple device that trims down Kodak's Perforated
>70mm film by taking off 5mm from each side.  This leaves a 60mm wide
>strip that is usable in a medium format camera, however, it is
>difficult to process in the darkroom.  The standard Medium Format film
> developing reels are just a little too wide and the film has a
>tendency to get out of alignment.  I trimmed down a plastic Jobo film
>developing reel to process the 60mm wide film and it works fine.  
>
>Of course this is a lot of work, but if you're an infrared fanatic,
>then it's all worth it.  
>
>So in conclusion, you can get HIE in Medium Format 120 roll sizes, but
>it requres a lot of work that you have to do your self.
>
>My next project is to try cutting down some color IR film to 220 rolls
>for use in Medium Format equipment.  However, I probably won't get
>around to it for a couple of months.  If you're interested in getting
>color IR in 220 rolls email me privately. The film is expensive, so
>I'll need to know if others are interested, before I invest my time
>and energy into it.   I still have a few problems I have to work out,
>but I think I will be able to do it.
>
>Peace, Rolland Elliott 
>
> 
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