Safe to use Canon Speedlite 166A on Canon S5is?

On Fri, 09 Nov 2007 15:21:50 -0800, Steve V <steven.vallee.TakeThisOut@gmail.com> wrote:

>I have a Speedlite 166A that I used a few times on my Canon S5is,
>until someone told me I could damage the camera with it. I quit using
>it, but is it really unsafe to use on this camera? The recommended
>flashes are 220EX, 430EX, 580EX. Thanks
>
>Steve

Just measure what voltage is coming off the pins/contacts that trigger the
flash. If it's 8 volts or less, 5 volts usually, then you're probably safe.
Those warning are normally about very old studio flash units that typically have
80 volts or higher on the triggering contacts.



According to this list

http://www.botzilla.com/photo/strobeVolts.html

It sounds like that flash is perfectly safe with 4.33v.

That's what you get for listening to the advice of a bunch of arm-chair
photographers and resident trolls that infest this newsgroup.


....Interesting, the G7 doesn't like anything higher than 6 volts.