Developer · Black and white
Acufine Diafine
AvailableB&WPowder
Also known as: Acufine Diafine
Two-bath developer supplied as dry powder. Acufine says time and temperature have no practical effect if the minimum recommendations are observed, and gives 70 to 85F (21 to 29C) in its text, with 20C in its film chart. Its chart uses 3+3 minutes for most films, 5+5 at 22C for Neopan 100 Acros.
- Type
- Powder
- Process
- B&W
- Temperature
- 20°C
- Dilutions
- 1
- Shelf life
- Not stated by Acufine
20–29°C (68–84°F)
concentrate
Characteristics
GrainFine, level 1 of 3
AcutanceHigh, level 3 of 3
ContrastNormal, level 2 of 4
Wide exposure latitude with fixed contrast (Acufine)
Dilutions
| Ratio | Use | Notes |
|---|---|---|
| stock | Replenishable | Two powders make two separate solutions, A then B, each at stock strength. Acufine says at least 3 minutes in each and no more than 5. Drain between baths, do not rinse. Needs no replenishment; top up with fresh A and B. |
Shelf life
- Concentrate
- Not stated by Acufine
- Working Solution
- Not stated; Acufine calls the formula extremely stable with an unusually long work life if kept free of contamination
Not stated by Acufine. No replenishment needed; level topped up with fresh A and B.
Development times
| Film | Dilution | ISO | Time | Temp |
|---|---|---|---|---|
| Street Candy MTN 100 | stock | 100 | 6m | 20°C (68°F) |
| FP4 Plus | stock | 250 | 6m | 20°C (68°F) |
| HP5 Plus | stock | 800 | 6m | 20°C (68°F) |
| HP5 Plus | stock | 640 | 6m | 20°C (68°F) |
| Fomapan 100 Classic | stock | 200 | 6m | 20°C (68°F) |
| Pan F Plus 50 | stock | 80 | 6m | 20°C (68°F) |
| Pan F Plus 50 | stock | 100 | 6m | 20°C (68°F) |
| T-Max 100 | stock | 160 | 6m | 20°C (68°F) |
| T-Max 100 | stock | 200 | 6m | 20°C (68°F) |
| T-Max 100 | stock | 80 | 8m 30s | 22°C (72°F) |
Showing 10 of 14 entries.
Often used for
Developing mixed films together with one timeSpeed increase with wide exposure latitude
Limitations & warnings
- Fixed contrast: Acufine says changes in time have no practical effect
- Two-bath process requires two containers
- Acufine does not recommend an acid stop bath
Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.