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Specifications
Type
Type
Shoe-mount E-TTL II / E-TTL autoflash Speedlite
Compatible
EOS series supporting E-TTL II / E-TTL autoflash
cameras
* For details, refer to the Canon website.
Flash head
Normal flash guide number
Maximum guide number (at approx. ISO 100)
Guide number priority
Light distribution priority
* 1: When using the wide panel.
High-speed sync guide number
Maximum guide number (at approx. ISO 100)
Guide number
Shutter speed
Light distribution
Unit
14mm
Standard
m
m
m
Unit
14mm
1/125
m
8.8
1/250
m
7.5
1/500
m
4.9
1/1000
m
3.5
1/2000
m
2.5
1/4000
m
1.7
1/8000
m
1.2
24mm
28mm
35mm
1
*
14.1
27.3
27.9
31.9
31.9
31.9
36.6
27.3
27.3
27.3
Flash coverage
24mm
28mm
35mm
50mm
17.0
17.4
19.8
22.8
14.5
14.8
16.9
19.4
9.5
9.7
11.1
12.8
6.7
6.9
7.9
9.0
4.8
4.9
5.6
6.4
3.4
3.4
3.9
4.5
2.4
2.4
2.8
3.2
225
Flash coverage
50mm
70mm
80mm
105mm 135mm 200mm
36.6
42.9
46.9
51.1
42.9
48.6
54.0
55.4
29.0
33.5
36.6
42.9
70mm
80mm
105mm
26.7
29.2
31.8
22.7
24.8
27.1
15.0
16.4
21.7
10.6
11.6
16.6
7.5
8.2
12.3
5.3
5.8
8.9
3.7
4.1
6.4
54.0
60.0
60.0
60.0
46.9
51.1
135mm
200mm
33.6
37.3
28.6
31.8
23.0
25.5
17.6
19.5
13.0
14.4
9.4
10.4
6.7
7.5
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