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omarlyn wrote:
There's also the extended 200mm zoom on the flash head...if you shoot at far distances, this is a great added feature! The 600EX is on my soon-to-buy list principally for that alone.
Omar
The 580EXII has GN190 with 105mm coverage; the 600EX has GN197 with 200mm coverage and GN190 with 105mm coverage. Let's look into what this truly means...
200mm lens mounted on FF camera,
with 580EX and f/4 on lens, flash reaches to 47.5'
with 600EX and f/4 on lens, flash reaches to 49.5'
105mm lens mounted on FF camera,
with 580EX and f/4 on lens, flash reaches to 47.5'
with 600EX and f/4 on lens, flash reaches to 47.5'
<stiffling yawn>
If you don't have need for radio remote, there is not much reason for the 600EX based solely upon flash power.
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