Acufine Diafine
Also known as: Acufine Diafine
Unique two-bath compensating developer. Bath A absorbs into emulsion, Bath B activates development. Time and temperature have minimal effect within recommended ranges. All films develop with same 3 min A + 3 min B timing. Provides ~1 stop speed increase on most films. Exceptionally economical due to reusability.
Temperature
24°C
21–29°C
Dilutions
1
Capacity
80
rolls per litre
Form
Powder
Characteristics
Good shadow detail with effective speed increase
Dilutions
Two-bath system: Bath A then Bath B, each at stock strength. Reusable.
Shelf Life
Concentrate
Unmixed powder indefinite
Working Solution
Months to years when stored properly (extremely long-lived)
Exceptionally high capacity. Solutions are reused until exhausted.
Often Used For
Limitations & Warnings
- Fixed contrast — cannot adjust for scene
- Some films show less speed increase than others
- Two-bath process requires two containers
Descriptions combine manufacturer specifications with community experience. Subjective assessments reflect common sentiment among photographers and may not match your results.