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Autres temps de développement avec Kodak Tri-x 400 + Kodak D76

Kodak D-76 Developer Powder, B and W Film 1 Gallon

$9.99


Ilford HP5+, Kodak D76, 1+1, 14 min

[Tech info:] Canon Sureshot Supreme, Ilford HP5 developed in Kodak HC110 1+31 and Leica M2, Voigtlander 50/1.5 Nokton, Eastman Double X motion picture film developed in Kodak D76 1+1. Pakon scans.

There's certainly nothing wrong with Kodak D76. Its useful life exceeded 6 months in this experiment. Its variability (standard deviation) week to week was half that of any other developer tested.

Replenishing Kodak D76 (with...

révélateur film ISO dilution temps température  
Kodak D76 Ilford HP5+ 400 1+1 11m 20° détails
Kodak D76 Ilford HP5+ 400 stock 7m30 20° détails
Kodak D76 Ilford HP5+ 3200 1+1 23m30 20° détails

Mat Marrash shot by Michael Raso and processed in Kodak D76!

After lots of research, I determined that instead of just an increase in development time, which is what the company recommends, that I needed to increase the concentration ratio of stock developer to water. This can be very helpful in reducing the time that the film spends wet, subsequently reducing grain. Since there isn’t much mention of this developer and film being used in push processing, I decided to take the one piece of information that seemed useful: that Sprint developer behaves a lot like Kodak D76. I also decreased agitation from my usual so that I wouldn’t blow the highlights in my shots. I ended up developing the film in a 1:1 dilution (normal dilution for Sprint is 1:9) for 16 minutes at 68˚ F, with 30 seconds of agitation and then 3 inversions every minute after.

The curve families for the MQ-type developers were also similar in appearence. DK76b produced identical results to Kodak D76 in terms of effective film speed, gradation, and development time.