Ilford Delta 400 Black and White Negative Film (120 Roll Film) - Manual (Page 5)

Page 5 of 7 Nov 2018
DELTA 400 PROFESSIONAL Technical Information
PROCESSING
Processing at Different Temperatures
DELTA 400 Professional film can be processed over a range of temperatures. Approximate development times
at temperatures other than 20°C/68°F may be calculated from the charts below. For example, if 6 minutes at
20°C/68°F is recommended, the time at 23°C/73°F will be 4
½ min and the time at 16°C/61°F will be 9 min.
CONTRAST – TIME GRAPHS
The following graphs show the contrast of DELTA 400 Professional negatives when developed over a range of
development times.
ID11
DELTA 400 Professional film developed in ILFORD
ID-11 stock at (1) 24ºC/75ºF and (2) 20ºC/ 68ºF.
MICROPHEN
DELTA 400 Professional film developed in ILFORD
MICROPHEN stock at (1) 24ºC/75ºF and (2) 20ºC/68ºF
PERCEPTOL
DELTA 400 Professional film developed in ILFORD
PERCEPTOL stock at (1) 24ºC/75ºF and (2) 20ºC/68ºF
ILFOTEC DD-X
DELTA 400 Professional film developed in ILFORD
ILFOTEC DD-X 1+4 at (1) 24ºC/75ºF and (2) 20ºC/68ºF.