Black and white film processing for Kodak T-Max & Tri-X in AGFA Rodinal aka Adox Rodinal
The charts below are useful to control final negative contrast depending on actual light intensity using Adox Rodinal (used to be AGFA Rodinal), remember to always expose for the shadows and develop for the highlights!
Kodak T-Max – 68 fahrenheit / 20 degrees celsius / Time in minutes © Obeid Photography
| Light Intensity | Negative contrast | EI (ISO) | Dilution | Time |
| Bright | High | 160 | 1:50 | 5.5 |
| Moderate | Moderate | 400 | 1:50 | 7.5 |
| Low | Low | 800 | 1:50 | 9 |
| Average | Moderate | 800 | 1:25 | 6.5 |
Kodak Tri-X – 68 fahrenheit / 20 degrees celsius / Time in minutes © Obeid Photography
| Light Intensity | Negative contrast | EI (ISO) | Dilution | Time |
| Bright | High | 250 | 1:85 | 14 |
| Bright | Moderate | 400 | 1:75 | 14.5 |
| Bright | Low | 400 | 1:50 | 14.5 |
| Dim | Low | 600 | 1:75 | 15.5 |
| Dim | Moderate | 800 | 1:50 | 16.5 |
| Very dim | High | 1200 | 1:65 | 17.5 |
| Very dim | Low | 1600 | 1:50 | 18.5 |
| Very dim | High | 3200 | 1:65 | 20 |
| Very dim | Low | 6400 | 1:50 | 22.5 |
| Average | Moderate | 800 | 1:100 | 17.5 |