
| Film Sensitivity | Guide Numbers | ||
| DIN | ISO (ASA) | Meters | Feet |
| 9 | 6 | 11 | 37 |
| 10 | 8 | 13 | 42 |
| 11 | 10 | 14 | 47 |
| 12 | 12 | 16 | 53 |
| 13 | 16 | 18 | 59 |
| 14 | 20 | 20 | 66 |
| 15 | 25 | 23 | 74 |
| 16 | 32 | 25 | 83 |
| 17 | 40 | 28 | 93 |
| 18 | 50 | 32 | 105 |
| 19 | 64 | 36 | 118 |
| 20 | 80 | 40 | 132 |
| 21 | 100 | 45 | 148 |
| 22 | 125 | 50 | 166 |
| 23 | 160 | 57 | 186 |
| 24 | 200 | 64 | 209 |
| 25 | 250 | 71 | 235 |
| 26 | 320 | 80 | 263 |
| 27 | 400 | 90 | 295 |
| 28 | 500 | 101 | 331 |
| 29 | 650 | 113 | 372 |
| 30 | 800 | 127 | 417 |
| 31 | 1000 | 142 | 468 |
| 32 | 1250 | 160 | 525 |
| 33 | 1600 | 179 | 589 |
| 34 | 2000 | 201 | 661 |
| 35 | 2500 | 226 | 742 |
| 36 | 3200 | 253 | 832 |
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© Christian Rollinger, 1999.