Stroboscopic flash – Canon 550EX User Manual

Page 46

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8. Stroboscopic Flash

With stroboscopic flash, a rapid series of flashes is fired. It can be used to

record multiple images of a moving subject in a single photograph for later

study.
You can set the firing frequency (the number of fiashes per sec. expressed as

Hz) from 1 Hz to 199 Hz. The firing frequency can be set in 1-Hz increments

from 1 Hz to 20 Hz, in 5-Hz increments from 25 Hz to 50 Hz, and in 10-Hz

increments from 60 Hz to 199 Hz.

Up to 100 flashes can be fired

continuously. This maximum varies
depending on the fiash output and firing

frequency. See “Maximum Continuous

Fiashes” on page 122.

Setting the Firing Frequency, Flash Count, and

Flash Output

Press the button and

’ select M

ulti

• Pressing the button changes the

flash mode in the following loop:

I ►ETTL/TTL

ulti

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