Help: 580EX doesn't zoom with 20D

Started Mar 5, 2005 | Discussions thread
Andreas Frank
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Re: Help: 580EX doesn't zoom with 20D
In reply to id212, Mar 5, 2005

id212 wrote:

Hi,

I've just got a Canon 580EX flash for my 20D with 28-135 IS lens.
It's all looking great except that the zoom indicator on the lens
doesn't change automatically.

It seems like the 580EX zoom can be confused.

If I zoom around, the 580EX follows the focal length, but if I move the lens too fast, the flash will stop following until I half-press the shutter.
Then it's following again.

Half-pressing the shutter always makes my 580EX adjust correctly to the lens.

Also, make sure you don't have set 580's zoom to manual ("M" next to the focal length display)!

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Andreas
E0S 2OD/58OEX/S!gma18-50f2.8/S!gma70-300APOf4-5.6

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