Attila Kirjak wrote:
> I am quite confused on the options for external power source for
> the 550 EX flash, hopefully some of you could help me. I would
> need a battery pack which will give me around 10 36exp rolls of
> flashes.
> (snip)
> I checked Quantum's web site, they list a few of their models
> compatible with the 550EX, does anyone know how do these hold up
> against the Canon one? They seem to be more expensive (at least
> the Quantum Turbo $345, and the Quantum Turbo Z $300) than the
> Canon Transistor Pack E. Or is more like the QB1+ ($175)?
Attila,
I own and use both the Quantum Turbo and the Quantum Turbo Z. The turbo
is 60% larger than the Z. The turbo weighs almost twice as much as the
Z. The turbo charges overnight and the Z charges during lunch (a couple
hours). The Turbo last all day. The Z last half a day. I use the
turbo when I'm in a blind all day. I use the Z when I'm out walking
around carrying my big tripod and lens. A full size grown man will
never know either is on his belt. Both have fast recycle times. It's
almost instant. IMO, trying to get 10 rolls of 36 from a Z might be
pushing it. I would recommend the larger Turbo. BTW, don't forget you
have to purchase the connecting cord separately. Seems like it's $30.
or so. Hope this helps.
Ray Amos
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