Battery life and recycling time, High-speed sync guide number table – Canon 220 EX User Manual

Page 38

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38

Speedlite

220EX

Accessories

/Reference

Specifications

Battery Life and Recycling Time

Battery Type

Size-AA alkaline bat-
teries

Recycling Time

0.1 to 4.5 sec.

No. of Flashes

250 to 1700

High-Speed Sync Guide Number Table

Shutter Speed

Guide Number (m/ft)

ISO 100

ISO 200

ISO 400

1/125

13.3/43.6

18.8/61.7

26.6/87.2

1/180

12/39.4

17/55.8

24/78.7

1/250

10.7/35.1

15.1/49.5

21.4/70.2

1/350

9.1/30

12.9/42.3

18.2/59.7

1/500

7.7/25.3

10.9/35.8

15.4/50.5

1/750

6.5/21.3

9.2/30.2

13/42.6

1/1000

5.4/17.7

7.6/24.9

10.8/35.4

1/1500

4.6/15.1

6.5/21.3

9.2/30.2

1/2000

3.8/12.5

5.4/17.7

7.6/24.9

1/3000

3.2/10.5

4.5/14.8

6.4/21

1/4000

2.7/8.9

4/13.1

5.4/17.7

• The above specifications are based on Canon's testing

standards.

• Using size-AA nickel-hydride batteries will yield only about

70 to 80 percent of the flashes (1550 mAh at full output)
obtainable with size-AA alkaline batteries. The recycling
time will also be about half the time with size-AA alkaline
batteries.

220EX(E) 15-10-2002 07:11 Pagina 38

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