Re: Developing sheet film in open-ended PVC tubes

From: Dave Soemarko ^lt;fotodave@dsoemarko.us>
Date: 03/31/04-12:23:53 PM Z
Message-id: <009401c4174d$534a10a0$0500a8c0@W>

Sandy,

I can try to locate the article for you. I don't have all past issues, but
if I have seen it before, I should have that particular issue.

But why can't you do minimal agitation with closed ends?

Dave S

----- Original Message -----
From: "Sandy King" <sanking@clemson.edu>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Wednesday, March 31, 2004 12:56 PM
Subject: Re: Developing sheet film in open-ended PVC tubes

> Bill,
>
> >
> >BTW, I do all my film work (and print work with Pt/Pd) in Jobo
> >drums. While I have a Jobo machine one can use (most of) their drums
> >on a plain old Beseler rolling agitator. I don't see the advantage
> >of open tubes in trays (in the dark) if one can easily use tubes in
> >the light unless there's something I'm missing.
>
>
> Yep, that is exactly what I though when I read that article years
> ago. Why bother with open-ended tubes when you can just put caps on
> the tubes and have the advantage of daylight processing? But time
> passes and we learn. The advantage to the open ended tubes is that
> you can cover them with developer (they sink in developing solution)
> and develop with minimal agitation procedures.
>
> It is also an extremely simple solution for those who do not get even
> development with tray development and/or who have a proclivity for
> scratching or gouging their negatives with shuffle development.
>
>
> Sandy
>
>
> >
> >
> >
> >>Oh, I think I know the article you are referring to. I have also seen it
> >>very long time ago but can't remember either. I think it might be in
> >>Darkroom Technique (or the name before that), but I thought for
> >>Bibliography, you only need to cite the original idea rather than the
> >>variations afterward.
> >>
> >>If I come across it I will let you know.
> >>
> >>Dave S
> >>
> >>----- Original Message -----
> >>From: "Sandy King" <sanking@clemson.edu>
> >>To: <alt-photo-process-l@sask.usask.ca>
> >>Sent: Wednesday, March 31, 2004 12:00 PM
> >>Subject: Re: Developing sheet film in open-ended PVC tubes
> >>
> >>> Dave,
> >>>
> >>> It was not Phil Davis. Phil introduced the BTZS type tubes in his
> >>> book Beyond the Zone System but in this type of development the tubes
> >>> are capped on each end and and development is carried out in a water
> >>> bath with the lights on.
> >>>
> >>> In the article to which I refer the author recommends placing the
> >>> film in open-ended PVC tubes and then developing the films in a tray
> >>> containing the developer, with the lights off of course.
> >>>
> >>> Sandy
> >>>
> >>>
> >>>
> >>> >Sandy,
> >>> >
> >>> >If I remember correctly, it was Phil Davis. The procedure should be
> >>> >described in one of his book "Beyond The Zone System." While this is
from
> >>> >memory, I think it is correct since the tubes are also known as BTZS
> >>> >(abbreviation from the title of the book) tubes.
> >>> >
> >>> >Dave S
> >>> >
> >>> >----- Original Message -----
> >>> >From: "Sandy King" <sanking@clemson.edu>
> >>> >To: <alt-photo-process-l@sask.usask.ca>
> >>> >Sent: Wednesday, March 31, 2004 11:26 AM
> >>> >Subject: Developing sheet film in open-ended PVC tubes
> >>> >
> >>> >
> >>> >> A number of years ago someone wrote an article that was published
in
> >>> >> one of the national magazines that described how to develop sheet
> >>> >> film in open-ended PVC tubes in trays. This procedure offers some
> >>> >> advantages over normal tray development in that it gives 1) very
even
> >>> >> development with no edge hot spots, and 2) minimizes the
possibility
> >>> >> of scratching that many experience in shuffle agitation.
> >>> >>
> >>> >> I am describing this procedure in a current writing project and
would
> >>> >> like to give credit to the person who originally suggested the
> >>> >> procedure but I am unable to locate it. Can anyone on the list
> >>> >> provide any details to help me locate the article.
> >>> >>
> >>> >> Sandy
> >>> >>
> >>> >>
>
>
Received on Wed Mar 31 12:24:13 2004

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