Canon 540EZ User Manual download pdf (Page 37)

3. Stroboscopic Flash

The 540EZ’s stroboscopic flash function rapidly fires the flash several

times in succession during a single exposure to record the flowing motion

of a subject.

The stroboscopic firing frequency (measured in number of flash bursts

per second, or "Hz") can be set within in a range of 1 Hz - 100 Hz. The

frequency is set in 1 Hz increments between 1 Hz and 20 Hz, in 5 Hz

increments between 20 Hz and 50 Hz, and in 10 Hz increments between

50 Hz and 100 Hz. Up to 100 continuous bursts is possible during a sin

gle exposure, but this limit differs depending on the firing frequency and

output power level used. For details, refer to the "Maximum No. of

Continuous Flash Bursts” chart on page 21.

Use fresh batteries when using

stroboscopic flash.

Stroboscopic flash is not possible

at the 1/1 and 1/2 power settings.

Due to the slow shutter speeds

required with stroboscopic flash,

we recommend using a tripod

and the Remote Switch 60T3

We recommend using an external

power supply when performing

stroboscopic flash phofography.

If the stroboscopic flash has been fired 15 times continuously, allow the Speedlite

to rest for 15 minutes to prevent the flash head from overheating. Overheating

can cause the flash head to breakdown.

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Canon 540EZ User Manual Page 37