[pure-silver] Re: 4x5 developing tanks
- From: "Jean-David Beyer" <dmarc-noreply@xxxxxxxxxxxxx> (Redacted sender "jeandavid8" for DMARC)
- To: pure-silver@xxxxxxxxxxxxx
- Date: Tue, 30 Apr 2019 08:45:17 -0400
On 4/30/19 2:29 AM, wilbert@xxxxxxxxxxxxxxx wrote:
Through the years I've tried about every system except the yankee tanks.
I get by far the best results with the Jobo 3000 system and I've three
of them now. It develops 10 sheets at a time with amazingly little
developer. Perfectly even development. I use a rolling machine (not from
Jobo). But rolling the tanks in a big tray by hand works perfectly fine
too.
Wilbert
I use a Jobo CPE-2 machine with two different Jobo tanks. One takes one
reel and the other takes two. Each reel takes up to six sheets of 4x5
sheet film. It is important to use the new" reels as the old ones were
streaky, even if you put in only four sheets as was sometimes recommended.
The one-reel tank is #2521 and the two-reel tank is #2551. They are
magnet drive which is what the CPE-2 has.
The reels will take three different sizes of film, with 4x5 being the
largest*. And you really want the Jobo loader to load the sheets into
the reels, although it looks as though it could be done by hand. Each
reel comes with two plastic things that snap into the outer edge of the
reel prior to putting everything into the tank. They seem to keep the
film in the reels while processing, but also improve the uniformity of
the processing. The reels are called 2509N, and the older reels (with a
different number) do not work well.
http://www.jobo-usa.com/images/manuals/Loading_2509n_reels.pdf
Can you really still get this stuff new?
_____
* In addition to the 4" size, the other two seem to be 3.5" and 2.5".
--
.~. Jean-David Beyer
/V\ PGP-Key:166D840A 0C610C8B
/( )\ Shrewsbury, New Jersey
^^-^^ 08:10:01 up 7 days, 22:11, 2 users, load average: 4.40, 4.31, 4.18
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