Re: Bronica ETRSi & Filters

["David M. Young" <david@xxxxxxxxxxxxx>]

At 09:00 AM 7/13/99 -0400, you wrote:
>Has anyone out there used a 70mm back with Kodak Infrared?  I am just
>wondering about all of the pieces that are involved with shooting that film
>size.  Do you need to purchase a Kinderman 70mm roller, special tanks for
>processing, special film backs, etc.

I'm shooting 70mm regularly in my Bronica with good success.  I started out
with the Bronica 70mm back and that's all.  I was loading 2.5 feet into a
cartridge and getting my local dip-n-dunk lab to process it as if it were
120.  I will admit that I finally bought a 70mm loader from B&H (looks and
works just like a 35mm daylight bulk loader, except you can't use it in
daylight with Kodak 2424), which is smaller and far more convenient than
the Kinderman loader, which leaves the film fully exposed at all time and
thus must be used in a darkroom.   I actually store my spool of 2424 in the
loader.   I also sprung for a Jobo processor and the 5' 70mm reel so I can
do the processing myself.  Cheaper and I can do rolls that are effectively
220 length.  You can get a 15 foot 70mm reel and tank from Jobo (standard
item, although your supplier would likely have to order it from Jobo), but
I personally don't want to commit that many frames to one roll of film.   

So, do you need anything other than a 70mm back to shoot 70mm Infrared in a
bronica?  No.   But there are some "nice-to-haves".

>How much of the 100 (or is it 150 feet) of film fit into one of the 70mm
backs?

In the bronica, you can put a standard 70mm cartridge that holds 15 feet of
film.  The Beattie holds up to 100 feet on a spool without the cartridge. 

>Is one 70mm back better than the other (Beattie or Bronica)?

I think the Bronica is more attractive than the beattie...  And again, the
beattie takes longer lengths.

>Do you need an extender on the finder?

If you can find one, I'll buy it.   I use the "Rotary finder" or the waist
level finder. 

>Has anyone succeeded in placing any gelatin filters in the film back?  I
>have some cut down 70mm that I am going to burn in a 220 back and want to
>place an 87c gelatin filter in there if possible (whithout ruining this
>film that I had to give a pound of flesh for).

thought about it, haven't done it.   I may try to buy a second 70mm back to
experiment with... but I don't want to take any chances with my one and only.

Cheers, 
D.

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David M. Young  |  david@xxxxxxxxxxxxx  |  http://www.cloudance.com
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