Film comparison
Kodak Tri-X 320 (320TXP) vs Kodak Tri-X 400
- Tri-X 400 is 0.3 stops faster (ISO 400 vs 320).
- Tri-X 320 (320TXP) has finer grain.
Side by side
| Tri-X 320 (320TXP) | Tri-X 400 | |
|---|---|---|
| Manufacturer | Kodak | Kodak |
| Type | Black & white | Black & white |
| Box speed | ISO 320 | ISO 400 |
| Process | B&W | B&W |
| Formats | 4x5, 5x7, 8x10 | 35mm, 120, 4x5, 8x10 |
| Grain | Fine | Medium |
| Contrast | — | High |
| Latitude | — | Excellent |
| Saturation | — | — |
| Price, 35mm | — | about £11.00 |
| Price, 120 | — | about £11.00 |
| Availability | Current | Current |
Rows that differ are in bold. Prices are typical UK prices and change often.
How they look
- Tri-X 320 (320TXP)
- Sheet-film sibling of Tri-X 400 on a thick ESTAR base, designed for controlled studio and low-flare lighting; roll-film versions ended in 2010 and only sheet sizes remain.
- Tri-X 400
- A classic photojournalism film with a long heritage. Known for its distinctive gritty grain, high contrast, and strong push-processing capability.
Which suits what
Better pick: Tri-X 320 (320TXP)
Large format portraiture, Studio, Landscape
Both work well
—
Better pick: Tri-X 400
Street photography, Documentary, Push processing
Long exposures (reciprocity)
| Metered | Tri-X 320 (320TXP) | Tri-X 400 |
|---|---|---|
| 1s | 1s | 1s |
| 10s | 50s | 35s |
| 30s | 5m 6s | 3m 8s |
| 2m | 24m | 26m 32s |
Corrected exposure from each film’s published reciprocity data. Reciprocity calculator