Film · Black and white negative
Kodak Tri-X 400
High-speed panchromatic film that Kodak recommends for dim light, fast action and push processing (F-4017). Traditional cubic-grain emulsion known for photojournalism; re-engineered with finer grain in 2007 (Wikipedia list).
Kodak datasheet F-4017: Tri-X 400 (400TX) is made in 135 and 120; the sheet film is the separate Tri-X 320 (320TXP). Distributed directly by Eastman Kodak in the US and Canada since January 2026 (Wikipedia list).
- Box speed
- ISO 400
- Process
- BW
- Formats
- 35mm, 120
- Grain
- Medium
- Latitude
- Excellent
- Reciprocity
- See table
Characteristics
Reciprocity failure
| Metered | Compensated |
|---|---|
| 1s | 2s |
| 10s | 50s |
| 100s | 1200s |
Kodak F-4017 (Feb 2016), one table for Tri-X 320 and 400: 1 s +1 stop (2 s) with development reduced 10%; 10 s +2 stops (50 s), development -20%; 100 s +3 stops (1200 s), development -30%. No exposure change from 1/1000 s to 1/10 s. Short exposures: 1/1000 s no exposure change, development +10%; 1/10,000 s +1/2 stop, +15%; 1/100,000 s +1 stop, +20%.
Development times
| Developer | Dilution | ISO | Time | Temp |
|---|---|---|---|---|
| D-76 | stock | 400 | 6m 45s | 20°C / 68°F |
| D-76 | 1+1 | 400 | 9m 45s | 20°C / 68°F |
| HC-110 | 1+31 | 400 | 3m 45s | 20°C / 68°F |
| XTOL | stock | 400 | 7m | 20°C / 68°F |
| XTOL | 1+1 | 400 | 9m | 20°C / 68°F |
| Rodinal | 1+25 | 400 | 7m | 20°C / 68°F |
| Rodinal | 1+50 | 400 | 14m | 20°C / 68°F |
| Rodinal | 1+100 | 400 | 60m | 20°C / 68°F |
| D-76 | stock | 1600 | 9m 30s | 20°C / 68°F |
| Df96 Monobath | stock | 400 | 6m | 21°C / 70°F |
Showing 10 of 62 entries. Temperatures, mixing and push times for every developer →
Often used for
Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.