35mm, ISO 400, medium contrast, all-purpose black & white film. Ideal for action, documentary and available light photography.
| DEVELOPER | DILUTION | TIME | ALT |
| ID11 | Stock | 7 ¬Ω | |
| ID11 | Stock | 10 ¬Ω | 800/30 |
| ID1 1 | Stock | 14 | 1600/33 |
| ID1 1 | 1 + 1 | 13 | |
| MICROPHEN | Stock | 6 ¬Ω | |
| MICROPHEN | Stock | 16 | 3200/36 |
| ILFOTEC HC | 1 + 3 1 | 6 ¬Ω | |
| ILFOTEC LC29 | 1 + 29 | 9 | |
| ILFOTEC DDX | 1 + 4 | 9 | |
| ILFOSOL 3 | 9 | 6 ¬Ω | |
| ILFOSOL 3 | 1 + 14 | 11 | |
| Stop Bath | |||
| ILFOSTOP | 1 + 1 9 | 10 secs | |
| Fixer | |||
| RAPID | 1 + 4 | 2-5 minutes |
| CHOOSING THE BEST ILFORD DEVELOPER | ||
| Best overall image quality | Liquid | Powder |
| EI 400/27 | ILFOTEC DD-X | ID-11 (Stock) |
| EI 800/30 | ILFOTEC DD-X | ID-11 (Stock) |
| EI 1600/33 | ILFOTEC DD-X | MICROPHEN (Stock) |
| EI 3200/36 | ILFOTEC DD-X | MICROPHEN (Stock) |
| Finest grain | ILFOTEC DD-X | PERCEPTOL |
| Maximum Sharpness | ILFOSOL 3 | ID-11 (1+3) |
| Maximum Film Speed | ILFOTEC DD-X | MICROPHEN (Stock) |
| One-Shot Convenience | ILFOSOL 3 (1+9) | ID-11 (1+1) |
| ILFOTEC DD-X | MICROPHEN (1+1) | |
| Economy | ILFOTEC LC29 (1+29) | ID-11 (1+3) |
| Rapid Processing | ILFOTEC HC (1+15) |