Re: Strange Thing with Step Wedge and Mail System
Dennis Klinker (DennisKlinker@denklik.demon.co.uk)
Fri, 25 Jul 1997 22:44:35 +0100
In message <970725122944_-1911088707@emout05.mail.aol.com>,
FotoDave@aol.com writes
>I sent this message to the list, but got a reject message from Daily Press.
>Strange? This is a resend.
>---------------------
>Forwarded message:
>From: POSTMASTER@vvdailypress.com (Adminstrator)
>To: FotoDave@aol.com
>Date: 97-07-25 11:01:16 EDT
>
>FROM: Adminstrator
>
>TO: FotoDave@aol.com DATE: 07/25/97
>
> TIME: 07:58
>
>SUBJECT: Mail failure
>
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>User mail received addressed to the following unknown addresses:
> DAILYPRESS/DAILYPO/TMP
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>My original intend was not to duplicate the step wedge, but I thought since I
>might eventually use the film for enlarged negative, I might as well study
>its characteristic. If the strange problem happened to the step wedge, then
>it might happen on my enlarged negative too.
>
>Since I made more than 1 enlargement from the step wedge, I re-read the
>densities of all of them and found that the anomaly that I found only
>happened with more exposure (when the density goes above 1.6). Those made
>with low exposure, the steps go proportionally.
>
>Since the density of 1.6 is still much lower than the capability of graphic
>arts film, I am now suspecting that Dektol 1:9 is way too much diluted. I
>developed the film for 2 mins. That could be too short too. I will do more
>test and post the result to the group if anyone is interested at all.
>
>By the way, the Dektol 1:9, 2-min development was suggested by someone from
>another newsgroup. Does anyone here use Arista graphic art film for enlarged
>negative? Could you recommend a chemical, dilution, and time as a starting
>point? Thanks in advance.
>
>David S.
>
>
>
Hi David we use Ilford Anitec RA film and also Agfa Litex film for large
negative production at the Creative Imaging Course at Kingsway college
in North London and use Ilford PQ developer at 1+18 dilution for 2
minutes development time.Dennis
--
Dennis Klinker