Development time
Kodak Tri-X 400 in Diafine
6:00 at 20°C, stock dilution, EI 1600 (+2 stops).
Start timer · 6:00Time
6:00
Minimal
Dilution
Stock
Temperature
20°C
Box speed
ISO 400
B&W
Development time
| Dilution | EI | Time | Temp | Agitation | Timer |
|---|---|---|---|---|---|
| Stock | 1600+2 stops | 6:00 | 20°C / 68°F | Minimal | Start timer |
EI is the speed the film was rated at when shooting. Times marked “not yet verified” come from secondary sources and haven’t been checked against a manufacturer datasheet.
Other temperatures
| 18°C | 19°C | 20°C | 21°C | 22°C | 23°C | 24°C |
|---|---|---|---|---|---|---|
| 7:30 | 6:43 | 6:00 | 5:24 | 4:48 | 4:19 | 3:54 |
Calculated from the 20°C time using Ilford’s temperature compensation factors, not taken from a datasheet. Most B&W developers behave well between 18°C and 24°C.
Mixing
| Dilution | 300 ml (one 35mm roll) | 500 ml (one 120 roll) |
|---|---|---|
| Stock | Use as mixed, undiluted | Use as mixed, undiluted |
How they work together
- Diafine
- Fine grain, high acutance, normal contrast. Good shadow detail with effective speed increase.
- Kodak Tri-X 400
- A classic photojournalism film with a long heritage. Known for its distinctive gritty grain, high contrast, and strong push-processing capability.
- Notes on this pairing
- 3 min Bath A + 3 min Bath B. Tri-X Pan [TX], 35mm and roll film. 2005 chart predates the 2007 Tri-X reformulation.
Tri-X 400 in other developers
Other films in Diafine
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Ilford Pan F Plus 50
6:00
Stock · EI 80 · 20°C · 2 variants
Foma Bohemia Fomapan 100 Classic
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Street Candy Street Candy MTN 100
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