Film · Black and white negative
Ilford Delta 3200
Ultra-high-speed film with a visible grain structure, recommended by Ilford at EI 3200 (measured ISO 1000/31) and given extended development; low native contrast allows heavy pushing.
Ilford markets it as EI 3200/36; its measured ISO speed is 1000/31 (Ilford datasheet).
- Box speed
- ISO 3200
- Process
- BW
- Formats
- 35mm, 120
- Grain
- Coarse
- Latitude
- Good
- Reciprocity
- t^1.33
Characteristics
Reciprocity failure
Compensation Formula
t' = t1.33
Ilford's published factor P = 1.33: corrected time = metered time ^ 1.33. 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 | 3200 | 10m 30s | 20°C / 68°F |
| Microphen | stock | 3200 | 9m | 20°C / 68°F |
| Ilfotec DD-X | 1+4 | 3200 | 9m 30s | 20°C / 68°F |
| Ilfotec DD-X | 1+4 | 1600 | 8m | 20°C / 68°F |
| Ilfotec DD-X | 1+4 | 6400 | 12m 30s | 20°C / 68°F |
| ID-11 | 1+1 | 3200 | 14m | 20°C / 68°F |
| Microphen | 1+1 | 3200 | 12m 30s | 20°C / 68°F |
| Ilfotec DD-X | 1+4 | 400 | 6m | 20°C / 68°F |
| Ilfotec DD-X | 1+4 | 800 | 7m | 20°C / 68°F |
| Ilfotec DD-X | 1+4 | 12500 | 17m | 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.