Ultrafin
B&W developer
Liquid concentrate
In production
Development times
| Film | Dilution | EI | Temp | Time | Agitation | Source |
|---|---|---|---|---|---|---|
| Ilford HP5+ | 1+20 | 400 | 20.0 °C | 13:00 | — | |
| Ilford HP5+ | 1+20 | 400 | 20.0 °C | 13:00 | — | |
| Ilford HP5+ | 1+20 | 400 | 20.0 °C | 13:00 | — | |
| Pan F Plus | 1+10 | 50 | 20.0 °C | 4:00 | Ilford — 4 inversions every 60 s | |
| Pan F Plus | 1+20 | 50 | 20.0 °C | 8:00 | Ilford — 4 inversions every 60 s | |
| Ilford Delta 100 Pro | 1+10 | 100 | 20.0 °C | 6:00 | Ilford — 4 inversions every 60 s | |
| Ilford Delta 100 Pro | 1+10 | 200 push 1 stop | 20.0 °C | 8:00 | Ilford — 4 inversions every 60 s | |
| Ilford Delta 100 Pro | 1+20 | 100 | 20.0 °C | 9:30 | Ilford — 4 inversions every 60 s | |
| Ilford Delta 100 Pro | 1+20 | 200 push 1 stop | 20.0 °C | 11:30 | Ilford — 4 inversions every 60 s | |
| Fomapan 400 Action | 1+20 | 400 | 20.0 °C | 15:00 | — | |
| Fomapan 100 Classic | 1+20 | 100 | 20.0 °C | 7:30 | — | |
| Fomapan 200 Creative | 1+20 | 200 | 20.0 °C | 7:30 | — | |
| Foma Ortho 400 | 1+20 | 400 | 20.0 °C | 13:00 | — | |
| Foma Ortho 400 | 1+20 | 400 | 30.0 °C | 4:30 | — | |
| Pan 100 | 1+10 | 100 | 20.0 °C | 7:00 | Ilford — 4 inversions every 60 s | |
| Pan 100 | 1+10 | 200 push 1 stop | 20.0 °C | 9:00 | Ilford — 4 inversions every 60 s | |
| Pan 100 | 1+20 | 100 | 20.0 °C | 11:00 | Ilford — 4 inversions every 60 s | |
| Pan 100 | 1+20 | 200 push 1 stop | 20.0 °C | 14:00 | Ilford — 4 inversions every 60 s | |
| Pan 400 | 1+10 | 200 pull 1 stop | 20.0 °C | 6:00 | Ilford — 4 inversions every 60 s | |
| Pan 400 | 1+10 | 400 | 20.0 °C | 7:00 | Ilford — 4 inversions every 60 s | |
| Pan 400 | 1+10 | 800 push 1 stop | 20.0 °C | 10:00 | Ilford — 4 inversions every 60 s | |
| Pan 400 | 1+20 | 200 pull 1 stop | 20.0 °C | 13:00 | Ilford — 4 inversions every 60 s | |
| Pan 400 | 1+20 | 400 | 20.0 °C | 16:00 | Ilford — 4 inversions every 60 s | |
| 'G' | 1+10 | 80 | 20.0 °C | 3:30 | — | |
| 'K' | 1+10 | 100 | 20.0 °C | 8:00 | — |
Reuse
Checked 21 October 2026
The maker’s sheet doesn’t say whether it can be reused.
Dilutions
- 1+10 1 + 10 water
- 1+20 1 + 20 water
Link to this page
Specification
- Type
- B&W developer
- Form
- Liquid concentrate
- Capacity rolls per litre
- —
- Shelf life, unopened
- —
- Shelf life, opened
- —
A dash means the figure has not been read off the maker’s sheet. A guess here would produce wrong answers silently.
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