Archived posting to the Leica Users Group, 2002/10/03

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Subject: [Leica] Increased grain in JOBO processing
From: Adam Bridge <abridge@mac.com>
Date: Thu, 3 Oct 2002 11:10:07 -0700
 
I ran my first roll of film through the JOBO last night. As I look at the
scanned images they appear to be a bit more grainy than my hand-agitated ones.

The primary difference I can document, besides the continuous agitation, was
that I processed at 24 C instead of 20 C  due to water/air temperature issues.

I did the pre-soak as required.

I'm using Tri-X in XTOL 1:1.

Tonality seems to be okay.

Any thoughts you  have would be welcome. 

For example it's not clear to me what the effect of temperature in processing
is. Would working cooler affect the grain?

Thanks in advance to your Jobo experts!

Adam Bridge
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Replies: Reply from "Christopher Williams" <leicachris@worldnet.att.net> (Re: [Leica] Increased grain in JOBO processing)
Reply from Nathan Wajsman <wajsman@webshuttle.ch> (Re: [Leica] Increased grain in JOBO processing)
Reply from Roy Zartarian <rzartarian@snet.net> (Re: [Leica] Increased grain in JOBO processing)