Film comparison
CatLABS CatLABS X Film 320 (35mm) vs Kodak Tri-X 400
- Tri-X 400 is 0.3 stops faster (ISO 400 vs 320).
- Tri-X 400 is more forgiving of exposure errors.
- Tri-X 400 is cheaper in 35mm (about £11.00 vs £12.00).
Side by side
| CatLABS X Film 320 (35mm) | Tri-X 400 | |
|---|---|---|
| Manufacturer | CatLABS | Kodak |
| Type | Black & white | Black & white |
| Box speed | ISO 320 | ISO 400 |
| Process | B&W | B&W |
| Formats | 35mm | 35mm, 120, 4x5, 8x10 |
| Grain | Medium | Medium |
| Contrast | High | High |
| Latitude | Good | Excellent |
| Saturation | — | — |
| Price, 35mm | about £12.00 | 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
- CatLABS X Film 320 (35mm)
- Confirmed Kodak Double-X 5222 motion picture stock. Cinematic high contrast look. Note: 120/sheet versions are a different emulsion.
- 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: CatLABS X Film 320 (35mm)
Cinema look, High contrast, Noir aesthetic
Both work well
—
Better pick: Tri-X 400
Street photography, Documentary, Push processing
Long exposures (reciprocity)
| Metered | CatLABS X Film 320 (35mm) | Tri-X 400 |
|---|---|---|
| 1s | No data | 1s |
| 10s | No data | 35s |
| 30s | No data | 3m 8s |
| 2m | No data | 26m 32s |
Corrected exposure from each film’s published reciprocity data. Reciprocity calculator
Developing both
Developers with published times for both films: