Kōun 125
Respooled Agfa Aviphot · ISO 125
🎞 Self-developing referenceFilm Background
Kōun 125 is a respooled black-and-white aerial surveillance film, derived from fresh Agfa Aviphot stock but tested and optimized for shooting at ISO 125. It offers fine grain, rich tonal depth, and a slightly extended red sensitivity that enhances contrast and detail in a wide range of lighting conditions. Its modern coating and stable emulsion allow for excellent results across multiple developers and workflows, making it ideal for both traditional and experimental black-and-white photography.
Development Times
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| Developer | Dilution | ISO | Development Time | Temp | Agitation | Notes / Results |
|---|---|---|---|---|---|---|
| D-76 / ID-11 | 1:1 | 125 | 9 min | 20°C (68°F) | Standard | Balanced tones, moderate contrast, fine grain |
| Rodinal | 1:50 | 125 | 11 min | 20°C (68°F) | Standard | Pronounced grain, strong edge sharpness |
| HC-110 | 1:31 (Dil. B) | 125 | 7.5 min | 20°C (68°F) | Standard | Snappy contrast, good highlight control |
| XTOL | 1:1 | 125 | 8.5 min | 20°C (68°F) | Standard | Smooth tonality and excellent midtones |
| Eco Pro | 1:1 | 125 | 8.5 min | 20°C (68°F) | Standard | Clean results, versatile tonality |
These times are recommended starting points. Variations in exposure, agitation, and scanner workflow may affect your final results. Test and adjust according to your preferences and shooting conditions.
Every roll from Anderson Island Films ships with its own development chart — a small way to keep the craft of self-developing alive. Explore the film shop →
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