I don't know what Crowley did to D-76, there are perhaps a dozen
variations of it. Kodak never gave times for it at 1:3 but Ilford did
for its version. At 1:3 it becomes an "acutance" developer with quite
definite edge effects. I've used it a couple of times but find it
unpleasant looking for 35mm film.
DK-50 is pretty close to being a universal developer. I am
surprised it did not work well for HP-5.
On 11/12/2016 8:01 AM, Robert Randall wrote:
Tim, if you ever get the time and feel inclined to see what a developer can truly do, you might want to get a copy of the dark room cookbook and make some Crowley's recipes from scratch. I don't remember the recipe number offhand, but Crowley's replacement for D76 at 1:3 is the most killer developer I've ever used. Vasilios Zatse, Irving Penn's last studio manager was the guy that turned me on to it. It's miracle juice!
Bob
On Sat, Nov 12, 2016 at 9:45 AM, Tim Daneliuk <tundra@xxxxxxxxxxxxxx <mailto:tundra@xxxxxxxxxxxxxx>> wrote:
On 11/12/2016 05:47 AM, Peter Badcock wrote:
> Or possibly rating it at the 400 box speed (rather than say 250
or 320)
I would note that - then I don't have time to test - I routinely
expose
at 1/2 the rated ASA and underdevelop about 20% from nominal. In the
case of my recent good HP5+ results, I exposed at ASA 200 and
developed
in DK-50 1:1 for 7 minutes.
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