Delta 400 is a panchromatic, tabular-grain, true 400 speed black and white film.
- higher red sensitivity, lower cyan sensitivity, compared to Tri-X
- Therefore skin tones will appear brighter but smoother.
- Increased grain (source: Naked Photographer)
| Brand | Name | Formula | EI | Time | 1st Min Agit. | Agit every min | Source | Tested |
|---|---|---|---|---|---|---|---|---|
| Adox | Rodinal | 1_25 | 400 | 9 | 10 | 10 | Datasheet | |
| Ilford | DD-X | 1+4 | 400 | 8 | 10 | 10 | Datasheet | |
| 800 | 10.5 | |||||||
| 1600 | 13.5 | |||||||
| 3200 | 18 | |||||||
| Microphen | stock | 400 | 6.5 | |||||
| 800 | 7.5 | |||||||
| 1600 | 8.5 | |||||||
| 3200 | 14 | |||||||
| Kodak | T-Max | 1+4 | 400 | 6.5 | 10 | 10 | Datasheet | |
| 800 | 8.5 | |||||||
| 1600 | 10.5 | |||||||
| 3200 | 13.5 | |||||||
| Xtol | 1+4 | 400 | 7.5 | 10 | 10 | Datasheet | ||
| 800 | 10 | |||||||
| 1600 | 13 | |||||||
| 3200 | 17 |
- Naked Photographer: Ilford Delta 400