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NNDman Oct 9, 2004 9:44 PM

I'm using a Canon 420 EX speedlite onboard flash with a 75-300 lens to shoot nighttime football. The problem I'm having is that I can only get one burst when I shoot multiple frames. I'm using fresh Energizer batteries. Does this have to do with the focal length or can I reset the flash in some manner. I can get multiple bursts fromt the flash when I use an 18-55 lens. Thanks for any assistance.

KCan Oct 10, 2004 10:45 AM

I am not sure what "multiple frame" means , is it rapid shot? ~3 frame per second?

The flash can keep up only if the burst does not "empty" it's energy (meaning the energy charged in it's capacitor) If the first bust use 100% of the energy, then you have to wait (the recycling time/delay) to be ready for the next burst. May be when you use the 18-55 lens, the subject is pretty close, so the flash do not need all of the energy, and can be ready in a fraction of second later, which is not the case when the subject is real far away.

You can use the flash in manual , partial power mode , which allow a higher frame rate, but of course, may be it's not powerful enough for the shot.(traditionnally, they call this "winder mode")

NNDman Oct 10, 2004 3:43 PM

This unit does not have manual controls I just discovered. I guess I'm out of luck!

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