137
Specifications
Normal Flash (Full Output)/Quick Flash
Manual Flash
Guide Number (ISO 100, in approx. meters/feet)
Flash Coverage (mm) 14 20 24 28 35 50
Normal Flash (Full Output)
15 / 49.2 26 / 85.3 27 / 88.6 28 / 91.9
34 / 111.6 39 / 128.0
Quick Flash Equivalent to approx. 1/2 - 1/6 of full output
Flash Coverage (mm) 70 80 105 135 200
Normal Flash (Full Output)
46 / 150.9 49 / 160.8 54 / 177.2 57 / 187.0 60 / 196.9
Quick Flash
Equivalent to approx. 1/2 - 1/6 of full output
Flash Output
Flash Coverage (mm)
14 20 24 28 35 50
1/1
15 / 49.2 26 / 85.3 27 / 88.6 28 / 91.9 34 / 111.6 39 / 128.0
1/2
10.6 / 34.8 18.4 / 60.4 19.1 / 62.7 19.8 / 65.0 24.0 / 78.7 27.6 / 90.6
1/4
7.5 / 24.6 13.0 / 42.7 13.5 / 44.3 14.0 / 45.9 17.0 / 55.8 19.5 / 64.0
1/8
5.3 / 17.4 9.2 / 30.2 9.5 / 31.2 9.9 / 32.5 12.0 / 39.4 13.8 / 45.3
1/16
3.8 / 12.5 6.5 / 21.3 6.8 / 22.3 7.0 / 23.0 8.5 / 27.9 9.8 / 32.2
1/32
2.7 / 8.9 4.6 / 15.1 4.8 / 15.7 4.9 / 16.1 6.0 / 19.7 6.9 / 22.6
1/64
1.9 / 6.2 3.3 / 10.8 3.4 / 11.2 3.5 / 11.5 4.3 / 14.1 4.9 / 16.1
1/128
1.3 / 4.3 2.3 / 7.5 2.4 / 7.9 2.5 / 8.2 3.0 / 9.8 3.4 / 11.2
Flash Output
Flash Coverage (mm)
70 80 105 135 200
1/1
46 / 150.9 49 / 160.8 54 / 177.2 57 / 187.0 60 / 196.9
1/2
32.5 / 106.6 34.6 / 113.5 38.2 / 125.3 40.3 / 132.2 42.4 / 139.1
1/4
23.0 / 75.5 24.5 / 80.4 27.0 / 88.6 28.5 / 93.5 30.0 / 98.4
1/8
16.3 / 53.5 17.3 / 56.8 19.1 / 62.7 20.2 / 66.3 21.2 / 69.6
1/16
11.5 / 37.7 12.3 / 40.4 13.5 / 44.3 14.3 / 46.9 15.0 / 49.2
1/32
8.1 / 26.6 8.7 / 28.5 9.5 / 31.2 10.1 / 33.1 10.6 / 34.8
1/64
5.8 / 19.0 6.1 / 20.0 6.8 / 22.3 7.1 / 23.3 7.5 / 24.6
1/128
4.1 / 13.5 4.3 / 14.1 4.8 / 15.7 5.0 / 16.4 5.3 / 17.4
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