Canon Speedlite 420EX Instruction Manual - Page 50

Major, Specifications, Guide, Normal, Sync], meters, High-speed, Flash], Recycling, Flash, Count

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Major Specifications Guide No. [Normal Sync] (At ISO 100 in meters) Flash Coverage (mm) 24 28 35 50 70 105 Guide No. 23 25 31 34 37 42 [High-speed Sync (FP Flash)] Sync Speed Flash Coverage 24 28 35 50 1/180 12.1 13.1 16.3 17.9 1/250 11.0 12.0 14.9 16.3 1/350 9.7 10.5 13.0 14.3 1/500 8.1 8.8 11.0 12.0 1/750 6.8 7.4 9.2 10.1 1/1000 5.8 6.3 7.8 8.5 1/1500 4.8 5.3 6.5 7.1 1/2000 4.1 4.4 5.5 6.0 1/3000 3.4 3.7 4.6 5.1 1/4000 2.9 3.1 3.9 4.3 • The Guide No. above apply to full flash output. (At ISO 100 in meters) 70 105 19.5 22.1 17.7 20.1 15.6 17.7 13.1 14.8 11.0 12.5 9.3 10.5 7.8 8.8 6.5 7.4 5.5 6.2 4.6 5.3 Recycling Time and Flash Count Battery Type Recycling Time (sec.) Flash Count Size-AA alkaline batteries Approx. 0.1 - 7.5 Approx. 200.1400 $ize-AA Ni-Cd batteries Approx. 0.1 • 4.5 Approx. 80.600 • The above figures are based on Canon's testing conditions with a new set of batteries. 50

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Major
Specifications
Guide
No.
[Normal
Sync]
Flash
Coverage
(mm)
24
28
35
50
70
105
Guide
No.
23
25
31
34
37
42
(At
ISO
100
in
meters)
[High-speed
Sync
(FP
Flash)]
Sync
Speed
Flash
Coverage
24
28
35
50
70
105
1/180
12.1
13.1
16.3
17.9
19.5
22.1
1/250
11.0
12.0
14.9
16.3
17.7
20.1
1/350
9.7
10.5
13.0
14.3
15.6
17.7
1/500
8.1
8.8
11.0
12.0
13.1
14.8
1/750
6.8
7.4
9.2
10.1
11.0
12.5
1/1000
5.8
6.3
7.8
8.5
9.3
10.5
1/1500
4.8
5.3
6.5
7.1
7.8
8.8
1/2000
4.1
4.4
5.5
6.0
6.5
7.4
1/3000
3.4
3.7
4.6
5.1
5.5
6.2
1/4000
2.9
3.1
3.9
4.3
4.6
5.3
•
The
Guide
No.
above
apply
to
full
flash
output.
(At
ISO
100
in
meters)
Recycling
Time
and
Flash
Count
Battery
Type
Recycling
Time
(sec.)
Flash
Count
Size
-AA
alkaline
batteries
Approx.
0.1
-
7.5
Approx.
200.1400
$ize-AA
Ni-Cd
batteries
Approx.
0.1
•
4.5
Approx.
80.600
•
The
above
figures
are
based
on
Canon's
testing
conditions
with
a
new
set
of
batteries.
50