Technical Information from The Photographers Centre
Recommended developing times for black/white films
Information gathered from manufacturers leaflets.
Information may need to be adjusted for different conditions and is supplied as a recommendation only.
Where a range of times are quoted the longer times are for negatives intended to be printed on diffuser enlargers and the shorter times for condenser enlargers.
All processing to be carried out at 68^oF (20^oC)
Wet film with water at 20^oC for 1 minute before processing

FILM DEVELOPER

ID-11 (1:1) ID-11 (1:3) RODINOL 1:50

ILFORD

PAN F+ 8.5 12.5 11-14

FP4+ 10 16 9-13

HP5+ 13-14 18-20 13

DELTA PRO 100 12-14 18 -

DELTA PRO 400 14 19 -

KODAK

T-MAX 100 12 16 12

T-MAX 400 14 16 12

T-MAX 3200 20 16 -

Plus-X 9 14 13

TRI-X 12 19 12

AGFA

APX 25 14 24 10

APX 100 14 24 17

AGFAPAN 400 14 25 11

EFKE/JESSOPS

KB/RB 14 12 - -

KB/RB 17 12 - -

KB/RB 21 12 - -

FUJI

NEOPAN 400 10 16-20 11

NEOPAN 1600 11-12 16-20 -

ALL DEVELOPERS ARE 'ONE SHOT' USED ONCE AND THEN THROWN AWAY.
ALL FILMS
Stopbath for 30 seconds
Fix for 5 minutes (hypam 1:4).
Wash