Developer · Black and white
Foma Bohemia Fomadon LQN
AvailableB&WLiquid Concentrate
Foma phenidone-hydroquinone liquid concentrate for all black-and-white negative films, supplied in 250 ml bottles.
- Type
- Liquid
- Process
- B&W
- Temperature
- 20°C
- Dilutions
- 2
- Shelf life
- Liquid concentrate in original package: at least 12 months (Foma)
16–30°C (61–86°F)
concentrate
Dilutions
| Ratio | Use | Notes |
|---|---|---|
| 1+10 | One-shot | One-part liquid concentrate. Working solution keeps 2 to 3 hours (Foma). |
| 1+14 | One-shot | Longer times; working solution keeps 2 to 3 hours (Foma). |
Shelf life
- Concentrate
- Liquid concentrate in original package: at least 12 months (Foma)
- Working Solution
- Working solution (1+10 or 1+14): 2 to 3 hours (Foma)
Foma: 250 ml of concentrate develops at least 12 perforated or roll films; 660 ml of 1+10 working solution develops 3 films, with time lengthening factors (1.4x to 1.7x) for each further film.
Development times
| Film | Dilution | ISO | Time | Temp |
|---|---|---|---|---|
| Fomapan 100 Classic | 1+10 | 100 | 7m | 20°C (68°F) |
| Fomapan 100 Classic | 1+10 | 100 | 2m 30s | 30°C (86°F) |
| Fomapan 200 Creative | 1+10 | 200 | 5m | 20°C (68°F) |
| Fomapan 200 Creative | 1+10 | 200 | 3m | 30°C (86°F) |
| Fomapan 400 Action | 1+10 | 400 | 9m | 20°C (68°F) |
| Fomapan 400 Action | 1+10 | 400 | 4m | 30°C (86°F) |
| Foma Ortho 400 | 1+10 | 400 | 8m 30s | 20°C (68°F) |
| Foma Ortho 400 | 1+10 | 400 | 4m | 30°C (86°F) |
| Fomapan 100 Classic | 1+14 | 100 | 9m | 20°C (68°F) |
| Fomapan 200 Creative | 1+14 | 200 | 7m | 20°C (68°F) |
Showing 10 of 11 entries.
Full guides for Fomadon LQN
Often used for
Fine-grain normal-contrast developmentFomapan films
Limitations & warnings
- Working solution must be used within hours
Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.