Film · Black and white negative
Ilford Delta 400
In productionBW
Modern core-shell T-grain ISO 400 film with fine grain and high sharpness; Ilford recommends exposure from EI 200 to 1600. Sold in 35mm and 120 (no sheet film listed).
- Box speed
- ISO 400
- Process
- BW
- Formats
- 35mm, 120
- Grain
- Fine
- Latitude
- Good
- Reciprocity
- t^1.41
Power-law factor
Characteristics
GrainFine, level 2 of 4
ContrastMedium high, level 3 of 4
LatitudeGood, level 3 of 4
Reciprocity failure
Compensation Formula
t' = t1.41
Ilford's published factor P = 1.41: corrected time = metered time ^ 1.41. Ilford says one second or less needs no compensation, and that very long exposures at low light may need some trial and error.
Development times
| Developer | Dilution | ISO | Time | Temp |
|---|---|---|---|---|
| ID-11 | stock | 400 | 9m 30s | 20°C / 68°F |
| ID-11 | 1+1 | 400 | 14m | 20°C / 68°F |
| D-76 | stock | 400 | 9m 30s | 20°C / 68°F |
| D-76 | 1+1 | 400 | 14m | 20°C / 68°F |
| Ilfotec DD-X | 1+4 | 400 | 8m | 20°C / 68°F |
| Microphen | stock | 400 | 6m 30s | 20°C / 68°F |
| Microphen | 1+1 | 400 | 11m 30s | 20°C / 68°F |
| HC-110 | 1+31 | 400 | 7m 30s | 20°C / 68°F |
| XTOL | stock | 400 | 7m 30s | 20°C / 68°F |
| XTOL | 1+1 | 400 | 11m 30s | 20°C / 68°F |
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Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.