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I think there may have been a small
misunderstanding. I only referred to the refrigerant as it is a great way of
having a visual indicator of your gas purge. Of course I use N2 when in the
field. I guess smoke would be even better as a visual confirmation that the
gas purge is working but I would prefer that my camera doesn't smell like
an ashtray.
I have posted a couple of shots of the set-up
including one of that gas purge option for the Tak. You must get it done in a
lathe. The size of the hole needs to be small to fit down the shaft of the bolt
without compromising its threads. If it's not clear I will be happy to explain
off list.
Vacuuming 120 film is a bit of a hassle if you
want to do it properly. I have a monster lab style pump so I am not afraid
pipes and pumps, but the paper will have to be removed before the vac process
and then attached - while in a dark bag. I suspect the gas purge is enough.
Robert is right, I perceive no reciprocity loss in the film
unhypered.
The more I use it the better I feel it
is.
Regards
Monte
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