Canon Macro Ring Lite MR-14EX II User Manual page 75

Guide Number
Normal Flash
Flash Both Sides
Output Firing
1/1 14.0 / 45.9
1/2 9.9 / 32.5
1/4 7.0 / 23.0
1/8 4.9 / 16.2
1/16 3.5 / 11.5
1/32 2.5 / 8.1
1/64 1.8 / 5.7
1/128 1.2 / 4.1
(Approx., ISO 100, in meters/feet)
High-speed Sync
Single-side
Firing
10.5 / 34.4
7.4 / 24.4
5.3 / 17.2
3.7 / 12.2
2.6 / 8.6
1.9 / 6.1
1.3 / 4.3
0.9 / 3.0
(at full output)
Shutter Both Sides
Speed Firing
1/125 8.9 / 29.2
1/160 8.5 / 27.9
1/200 8.0 / 26.2
1/250 7.6 / 24.9
1/320 6.2 / 20.3
1/400 5.5 / 18.0
1/500 4.9 / 16.1
1/640 4.4 / 14.4
1/800 3.9 / 12.8
1/1000 3.5 / 11.5
1/1250 3.1 / 10.2
1/1600 2.7 / 8.9
1/2000 2.4 / 7.9
1/2500 2.2 / 7.2
1/3200 1.9 / 6.2
1/4000 1.7 / 5.6
1/5000 1.5 / 4.9
1/6400 1.4 / 4.6
1/8000 1.2 / 3.9
Specifications
Single-side
Firing
6.6 / 21.7
6.3 / 20.7
6.0 / 19.7
5.7 / 18.7
4.6 / 15.1
4.1 / 13.5
3.7 / 12.1
3.3 / 10.8
3.1 / 10.2
2.6 / 8.5
2.3 / 7.5
2.1 / 6.9
1.8 / 5.9
1.6 / 5.2
1.5 / 4.9
1.3 / 4.3
1.2 / 3.9
1.0 / 3.3
0.9 / 3.0
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