Guide no. (meters at iso 100), Battery life and recycling time – Canon 380EX User Manual
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Specifications
Guide No. (meters at ISO 100)
Flash Coverage (mm)
24
28
35
50
70
105
Normal (full) Output (G.N.)
21
23
28
31
33
38
FP Fiash
Shutter Speed
1/180
11.2
12.3
15.0
16.6
17.6
20.3
1/250
10.0
11.0
13.3
14.8
15.7
18,1
1/350
8.7
9.6
11.6
12.9
13,7
15.8
1/500
7.3
8,0
9,8
10.8
11.5
13,3
1/750
6.2
6.8
8.2
9.1
9.7
11.2
1/1000
5.2
5.7
6.9
7.7
8.2
9.4
1/1500
4.4
4,8
5.8
6.4
6.9
7.9
1/2000
3.7
4.0
4.9
5.4
5.8
6.6
1/3000
3.1
3.4
4,1
4,6
4,8
5.6
1/4000
2.6
2.8
3.5
3.8
4.1
4.7
Battery Life and Recycling Time
Battery Type
No. of Flashes
Recycling Time
Size-AA alkaline batteries
(LR6 or AM-3)
260 to 1800
0.1 to 7.5 sec.
Size-AA NiCd batteries
(KR15orKR51)
75 to 500
0.1 to 4.5 sec.
The above figures are based on Canon’s Standard Test Method with a new set of batteries.
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