Shel,
I've found the same thing. IDII is a little higher energy than D76.
But if you compensate for the higher energy and reduce the development time,
the results are similar.
Thanks,
Ed
----- Original Message -----
From: "Shel Belinkoff" <[EMAIL PROTECTED]>
To: "Pentax List" <[EMAIL PROTECTED]>
Sent: Wednesday, February 28, 2001 2:15 AM
Subject: The Tri-X Chronicles: Heifitz, Highlights, & French Tea
> This evening I ran a roll of TX through Ilford's ID-11, and
> another roll through Kodak's venerable D-76, gently rolling the
> tanks while enjoying Heifitz playing the music of Saint-Saëns
> and sipping a warming cup of Casablanca blend tea from Mariage
> Frères.
>
> Tonight's exploration into the qualities of Tri-X and ID-11
> centered around Anchell's comments that, since ID-11 and D-76
> are, for all intents and purposes, identical formulations,
> development times for each developer should be the same. Of
> course, the formulation and packaging of the two developers are
> not precisely identical, and, therefore, using the time-temp
> chart from one or the other developer may not give identical
> results. This is what I wanted to determine.
>
> The last couple of rolls of TX that I souped in ID-11 seemed to
> indicate that Anchell was wrong in his assertion. The contrast
> range of the negatives seemed a little greater than what I'd
> been getting when using D-76. Today I shot a few frames of the
> same subject on two rolls of film, using the same camera and
> lens to minimize any exposure differences caused by equipment,
> in order to more directly compare the results of TX in each
> developer.
>
> Each roll was processed separately in 600cc of developer mixed
> 1:1, using, of course, the same time, temperature, and agitation
> routine for each roll. As suspected, the results showed that
> ID-11 produced a negative with somewhat greater highlight
> density than the negs produced using D-76. The difference was
> observed by viewing the negatives side-by-side through a 5.5X
> Pentax loupe on a light box with a 5000-degree K light. The
> subjects were a B&W teddy bear, the exposure of which was
> determined by measuring a Kodak grey card, and the grey card,
> which was also included in the scene.
>
> So, for accurate and precise results, run your own tests and
> don't consider ID-11 and D-76 to be interchangeable.
>
> --
> Shel Belinkoff
> mailto:[EMAIL PROTECTED]
> There are no rules for good photographs,
> there are only good photographs.
> -
> This message is from the Pentax-Discuss Mail List. To unsubscribe,
> go to http://www.pdml.net and follow the directions. Don't forget to
> visit the Pentax Users' Gallery at http://pug.komkon.org .
>
>
-
This message is from the Pentax-Discuss Mail List. To unsubscribe,
go to http://www.pdml.net and follow the directions. Don't forget to
visit the Pentax Users' Gallery at http://pug.komkon.org .
