Re air bells or" mold -looking holes "

["peter smith photography" <psphoto@xxxxxxxxxx>]

>Infrared-Digest        Thursday, June 26 1997        Volume 00 : Number 083
>------------------------------
>
>Date: Wed, 25 Jun 97 18:12:27 +0100
>From: Greg Pease <gpp@xxxxxxxxx>
>Subject: Plus density / jobo v. hand processing
>
>So the last test I did solved all of my problems!  Many thanks to all 
>that helped lead me to the solution!  I abandoned hand processing.  With 
>this method I was getting heavy plus density on the top and bottom edges 
>of the image area (near the sprocket holes), and funny Mold-looking holes 
>or minus density spots.  I then went to JOBO processing which eliminated 
>the "mold", but gave banding of uneven development running the length of 
>the film, and still a bit of plus density.  Now I have it!  Dip & Dunk!  
>I found a lab that has a dip & dunk processor.  The film has very even 
>development, no plus density (most likely caused by agitation in tank 
>development),and no "mold" (caused by air bubbles).  Yipee!  One thing 
>though, this lab uses T-Max developer.  I have no experience with it.  
>All of the other labs I go to use D-76.  Does anyone have oppinions on 
>T-max developer for HIE?
>Thanks Again,
>Greg Pease
>
>
    I have had the same problem with D-76 stock and 1:1 mixed with 
distilled water . I get up to 1 mm diameter light areas in the negs
primarilly in even toned areas like skies . I have been using a 5 min.
prewash using ditilled water and 3 inversions per min. agitation in a
stainless 4 roll tank . After each agitation I tapped the tank on the table
and tapped the side of the tank with sissors to remove air bubbles . I
do use the light tight lid to pour chemistry in and out including the pre-
wash but this has not been a problem with my HC-110 dil. B .
   Anyone else had similar problems with D-76 or other developers and
HIE film ?

Glad to be a member of the group .
Peter Smith

psphoto@xxxxxxxxxx
Thunder Bay  On. 
Canada


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End of Infrared-Digest V0 #84
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