FW: Developing times have changed for Tri-X: some data sheets (was: RE: [pure-silver]: processing 320TXP)

Hello,
I posted this to an other mailing list, but maybe it is of interest to you
to.
If not just hit [DEL].

"Have fun and catch that lightbeam"
Bert from Holland
my website: www.tegenlicht.com

-----Oorspronkelijk bericht-----
Van: owner-pure-silver@tundraware.com
[mailto:owner-pure-silver@tundraware.com]Namens vaenw1@tegenlicht.com
Verzonden: dinsdag 4 november 2003 18:30
Aan: pure-silver@tundraware.com
Onderwerp: Developing times have changed for Tri-X: some data sheets
(was: RE: [pure-silver]: processing 320TXP)

The emulsions of the old and new Kodak Tri-X are the same, but the film
itself isn't.
The new films are (supposed to be) better scratch resistant and should dry
better.
This results in different developing times with the same developer.
Kodak also changed the names of several films.
For instance: "Kodak Tri-X 400" has become "Kodak 400TX"

I collected some info about the old and new films and posted it on my
website:
http://www.tegenlicht.com/technicaldata/kodakfilms.htm
I hope this will help. Let me know what you think of it (or if you're
missing something).
BTW: I just collected this information, but didn't test/check it myself.
I use Kodak HC110 for Tri-X. For example, here's a pinhole picture:
http://pinhole.tegenlicht.com/begraafplaats12x35websize.jpg
(film: old Kodak Tri-X 400 (120) (cut into 6x18), pinhole: 0.3 mm, focal
length: 70 mm, F-stop: 206, develloped: 9 minutes in Kodak HCA110)

Also check this website http://www.digitaltruth.com/devchart.html for
developing times. This is a good site.

Have fun and catch that lightbeam
Bert from Holland
my website: www.tegenlicht.com

-----Oorspronkelijk bericht-----
Van: owner-pure-silver@tundraware.com
[mailto:owner-pure-silver@tundraware.com]Namens Richard Knoppow
Verzonden: dinsdag 4 november 2003 8:23
Aan: pure-silver@tundraware.com
Onderwerp: RE: [pure-silver]: processing 320TXP

-----Original Message-----
From: "Baird, Darryl" <dbaird@umflint.edu>
Sent: Nov 3, 2003 8:46 PM
To: pure-silver@tundraware.com
Subject: RE: [pure-silver]: processing 320TXP

I have a good deal of Tri-X pro 120 frozen. It seems, like Rip Van
Winkle, I missed all these changes. My question is... did Kodak
discontinue Tri-X pro (320 ASA) film? Did they alter it in any other
way?

thanks

Darryl

  As far as I can tell neither version of Tri-X has been changed. Kodak has
moved film production into a new plant. They took advantage of this to make
some changes in coating but the emulsions are supposed to be the same. Some
of the films, T-Max for instance, evidently have been made in the new plant
for some time so are not changed at all.
  Kodak evidently decided to re-measure the development times and revise the
recommendations where necessary.
   I have not tried the "new" Tri-X, either one, so can't comment directly
on their quality.

Richard Knoppow
dickburk@ix.netcom.com
Los Angeles, CA, USA
------------------------------------------------------------------------
Sent to you by the pure-silver mailing list
FAQ: http://www.tundraware.com/Photography/Lists/FAQ.txt

------------------------------------------------------------------------
Sent to you by the pure-silver mailing list
FAQ: http://www.tundraware.com/Photography/Lists/FAQ.txt
Received on Tue Nov 4 13:16:17 2003