Matthew Hoffman (mhoffman2@sprynet.com)
Tue, 19 Oct 1999 08:52:14 -0400
Carl, exactly the information I needed. I hadn't realized the cost would be
so high--and since many of the negatives I'm processing are larger than
8x10, I'm sure it would be even more.
I've found I have a morbid dislike of spending more than a few minutes
at a time sloshing trays by hand, so perhaps the nitrogen is the best (and
more economical) system. I can make vertical trays, using acrylic, to any
size. They do drink solution, but I can mix quite a few gallons for two
grand.
-- Matthew
----- Original Message -----
From: Carl Weese <cjweese@wtco.net>
To: <alt-photo-process-l@sask.usask.ca>
Sent: Tuesday, October 19, 1999 8:53 AM
Subject: Re: jobo help
> Mathew,
>
> For films up to 8x10 you need the appropriate drums: a 3005 holds five
> 8x10's or 5x7's, a 3010 holds ten 4x5's or 5 5x7's.
>
> Then you need one of the larger, but not fully automatic "bathtub with a
> motor" Jobo processors. The smaller ones can't hold Expert Drums. One
> model has a circuator pump and a simple thermometer and dial for control
> of temperature, another has an automatic thermostat. I'd save the money
> and stay with the fully manual model. You must have a "Lift" and also a
> footpump for removing Expert Drum lids. The machine handles temperature
> and agitation. Once the drum is loaded, all you do is time the process
> steps and pour solutions in and out via the Lift.
>
> It's only a few items, but it will set you back at least two grand. Very
> convenient, but since it is entirely possible to learn to process
> excellent negatives in trays for an investment of under a hundred
> dollars, you've got to decide how much you're willing to pay for
> semi-automation. If you have any interest in doing color film as well as
> b&w, that's a strong argument for the Jobo because of the ease with
> which it handles near 100F temp processes with small chemical volumes.
>
> The current issue of _PHOTO Techniques Magazine_ has an article which
> includes _very_ detailed step by step instructions for processing pyro
> negatives in both trays and jobo-style equipment.
>
> ---Carl
>
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