Guide number table (in FX-format)
■Standard illumination pattern, at ISO 100; m/ft
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| Zoom position (mm) |
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output |
| 14mm |
| 17 | 18 | 20 | 24 | 28 | 35 | 50 | 70 | 85 | 105 | 120 | 135 | 180 | 200 | |
level | WP + | BA |
| WP | ||||||||||||||
| BA |
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1/1 | 13/ | 16/ |
| 17/ | 22/ | 23/ | 24/ | 27/ | 30/ | 34/ | 40/ | 44/ | 47/ | 49.5/ | 51/ | 51.5/ | 54/ | 56/ |
42.7 | 52.5 |
| 55.8 | 72.2 | 75.5 | 78.7 | 88.6 | 98.4 | 111.5 | 131.2 | 144.1 | 154.2 | 162.4 | 167.3 | 169.0 | 117.2 | 183.7 | |
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1/2 | 9.1/ | 11.3/ |
| 12/ | 15.5/ | 16.2/ | 16.9/ | 19/ | 21.2/ | 24/ | 28.2/ | 31.1/ | 33.2/ | 35/ | 36/ | 36.4/ | 38.1/ | 39.5/ |
29.9 | 37 |
| 39.3 | 50.9 | 53.1 | 55.4 | 62.3 | 69.6 | 78.7 | 92.5 | 102.0 | 108.9 | 114.8 | 118.1 | 119.4 | 125.0 | 129.6 | |
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1/4 | 6.5/ | 8/ |
| 8.5/ | 11/ | 11.5/ | 12/ | 13.5/ | 15/ | 17/ | 20/ | 22/ | 23.5/ | 24.7/ | 25.5/ | 25.7/ | 27/ | 28/ |
21.3 | 26.2 |
| 27.9 | 36.1 | 37.7 | 39.3 | 44.3 | 49.2 | 55.8 | 65.6 | 72.2 | 77.1 | 81.0 | 83.7 | 84.3 | 88.6 | 91.9 | |
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1/8 | 4.5/ | 5.6/ |
| 6/ | 7.7/ | 8.1/ | 8.4/ | 9.5/ | 10.6/ | 12/ | 14.1/ | 15.5/ | 16.6/ | 17.5/ | 18/ | 18.2/ | 19/ | 19.7/ |
14.8 | 18.8 |
| 19.7 | 25.3 | 26.6 | 27.6 | 31.2 | 34.8 | 39.3 | 46.3 | 50.9 | 54.5 | 57.4 | 59.0 | 59.7 | 62.3 | 64.6 | |
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1/16 | 3.2/ | 4/ |
| 4.2/ | 5.5/ | 5.7/ | 6/ | 6.7/ | 7.5/ | 8.5/ | 10/ | 11/ | 11.7/ | 12.6/ | 12.7/ | 12.8/ | 13.5/ | 14/ |
10.5 | 13.1 |
| 13.8 | 18.0 | 18.7 | 19.7 | 21.9 | 24.6 | 27.9 | 32.8 | 36.1 | 38.4 | 40.4 | 41.7 | 42.0 | 44.3 | 45.9 | |
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1/32 | 2.2/ | 2.8/ |
| 3/ | 3.8/ | 4/ | 4.2/ | 4.7/ | 5.3/ | 6/ | 7/ | 7.7/ | 8.3/ | 8.7/ | 9/ | 9.1/ | 9.5/ | 9.8/ |
7.2 | 9.2 |
| 9.8 | 12.5 | 13.1 | 13.8 | 15.4 | 17.4 | 19.7 | 23.0 | 25.3 | 27.2 | 28.5 | 29.5 | 29.9 | 31.2 | 32.1 | |
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1/64 | 1.6/ | 2/ |
| 2.1/ | 2.7/ | 2.8/ | 3/ | 3.3/ | 3.7/ | 4.2/ | 5/ | 5.5/ | 5.8/ | 6.1/ | 6.3/ | 6.4/ | 6.7/ | 7/ |
5.2 | 6.6 |
| 6.9 | 8.9 | 9.2 | 9.8 | 10.8 | 12.1 | 13.8 | 16.4 | 18.0 | 19.0 | 20.0 | 20.7 | 21.0 | 21.9 | 23.0 | |
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1/128 | 1.1/ | 1.4/ |
| 1.5/ | 1.9/ | 2/ | 2.1/ | 2.3/ | 2.6/ | 3/ | 3.5/ | 3.8/ | 4.1/ | 4.3/ | 4.5/ | 4.5/ | 4.7/ | 4.9/ |
3.6 | 4.6 |
| 4.9 | 6.2 | 6.6 | 6.9 | 7.5 | 8.5 | 9.8 | 11.5 | 12.5 | 13.5 | 14.1 | 14.8 | 14.8 | 15.4 | 16.1 | |
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Guide number table (in DX-format)
■Standard illumination pattern, at ISO 100; m/ft
Flash |
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| Zoom position (mm) |
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output |
| 10mm |
| 12 | 14 | 16 | 17 | 18 | 20 | 24 | 28 | 35 | 50 | 70 | 85 | 105 | 120 | 135 | 180 | 200 | ||
level | WP |
| BA |
| WP | |||||||||||||||||
| +BA |
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1/1 | 13/ |
| 16/ |
| 17/ | 23/ | 25/ | 27/ | 29/ | 30/ | 31/ | 34/ | 36/ | 40/ | 46/ | 49.5/ | 51/ | 52.5/ | 24.8/ | 25.7/ | 56.5/ | 57/ |
42.7 |
| 52.5 |
| 55.8 | 75.5 | 82.0 | 88.6 | 95.1 | 98.4 | 101.7 | 111.5 | 18.1 | 131.2 | 150.9 | 162.4 | 167.3 | 172.2 | 81.4 | 84.3 | 185.4 | 187 | |
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1/2 | 9.1/ |
| 11.3/ |
| 12/ | 16.2/ | 17.6/ | 19/ | 20.5/ | 21.2/ | 21.9/ | 24/ | 25.4/ | 28.2/ | 32.5/ | 35/ | 36/ | 37.1/ | 17.5/ | 18.1/ | 39.9/ | 40.3/ |
29.9 |
| 37 |
| 39.3 | 53.1 | 57.7 | 62.3 | 67.3 | 69.6 | 71.9 | 78.7 | 83.3 | 92.5 | 106.6 | 114.8 | 118.1 | 121.7 | 57.4 | 59.4 | 130.9 | 132.2 | |
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1/4 | 6.5/ |
| 8/ |
| 8.5/ | 11.5/ | 12.5/ | 13.5/ | 14.5/ | 15/ | 15.5/ | 17/ | 18/ | 20/ | 23/ | 24.7/ | 25.5/ | 26.2/ | 12.4/ | 12.8/ | 28.2/ | 28.5/ |
21.3 |
| 26.2 |
| 27.9 | 37.7 | 41.0 | 44.3 | 47.6 | 49.2 | 50.9 | 55.8 | 59.0 | 65.6 | 75.5 | 81.0 | 83.7 | 86.0 | 40.7 | 42.0 | 92.5 | 93.5 | |
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1/8 | 4.5/ |
| 5.6/ |
| 6/ | 8.1/ | 8.8/ | 9.5/ | 10.2/ | 10.6/ | 10.9/ | 12/ | 12.7/ | 14.1/ | 16.2/ | 17.5/ | 18/ | 18.5/ | 8.7/ | 9/ | 19.9/ | 20.1/ |
14.8 |
| 18.8 |
| 19.7 | 26.6 | 28.9 | 31.2 | 33.5 | 34.8 | 35.8 | 39.3 | 41.7 | 46.3 | 53.1 | 57.4 | 59.0 | 60.7 | 28.5 | 29.5 | 65.3 | 65.9 | |
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1/16 | 3.2/ |
| 4/ |
| 4.2/ | 5.7/ | 6.2/ | 6.7/ | 7.2/ | 7.5/ | 7.7/ | 8.5/ | 9/ | 10/ | 11.5/ | 12.6/ | 12.7/ | 13.1/ | 6.2/ | 6.4/ | 14.1/ | 14.2/ |
10.5 |
| 13.1 |
| 13.8 | 18.7 | 20.3 | 21.9 | 23.6 | 24.6 | 25.3 | 27.9 | 29.5 | 32.8 | 37.7 | 40.4 | 41.7 | 43.0 | 20.3 | 21.0 | 46.3 | 46.6 | |
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1/32 | 2.2/ |
| 2.8/ |
| 3/ | 4/ | 4.4/ | 4.7/ | 5.1/ | 5.3/ | 5.4/ | 6/ | 6.3/ | 7/ | 8.1/ | 8.7/ | 9/ | 9.2/ | 4.3/ | 4.5/ | 9/ | 10/ |
7.2 |
| 9.2 |
| 9.8 | 13.1 | 14.4 | 15.4 | 16.7 | 17.4 | 17.7 | 19.7 | 20.7 | 23.0 | 26.6 | 28.5 | 29.5 | 30.2 | 14.1 | 14.8 | 32.5 | 32.8 | |
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1/64 | 1.6/ |
| 2/ |
| 2.1/ | 2.8/ | 3.1/ | 3.3/ | 3.6/ | 3.7/ | 3.8/ | 4.2/ | 4.5/ | 5/ | 5.7/ | 6.1/ | 6.3/ | 6.5/ | 3.1/ | 3.2/ | 7/ | 7.1/ |
5.2 |
| 6.6 |
| 6.9 | 9.2 | 10.2 | 10.8 | 11.8 | 12.1 | 12.5 | 13.8 | 14.8 | 16.4 | 18.7 | 20.0 | 20.7 | 21.3 | 10.2 | 10.5 | 23.0 | 23.3 | |
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1/128 | 1.1/ |
| 1.4/ |
| 1.5/ | 2/ | 2.2/ | 2.3/ | 2.5/ | 2.6/ | 2.7/ | 3/ | 3.1/ | 3.5/ | 4/ | 4.3/ | 4.5/ | 4.6/ | 2.1/ | 2.2/ | 4.9/ | 5/ |
3.6 |
| 4.6 |
| 4.9 | 6.6 | 7.2 | 7.5 | 8.2 | 8.5 | 8.9 | 9.8 | 10.2 | 11.5 | 13.1 | 14.1 | 14.8 | 15.1 | 6.9 | 7.2 | 16.1 | 16.4 | |
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•BA: With the Nikon Diffusion Dome attached
•WP: With the
F
Tips on Speedlight care and reference information