Canon 220 EX - Manual (Page 38)

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