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Old Oct 21, 2004, 10:41 PM   #1
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problem resolved!
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Old Oct 22, 2004, 8:07 PM   #2
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Well what was the problem in the first place?
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Old Oct 25, 2004, 2:12 PM   #3
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I was thinking about picking up one of these flashes for my digital rebel. I curently have the Canon 420EX. Is the Sigma a better flash on the Canon than the 420EX?

How has it worked for you so far?
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Old Oct 26, 2004, 6:19 AM   #4
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I have the Sigma and there are 3 basic benefits it has over the 420:

1. It can be a 'master' for slave flashes

2. It has greater power output - closer to that of the 550

3. Flash Exposure Compensation - kind of a must since I have a D-Rebel (which doesn't have it)

All this and it's not much more $ than the 420. So if you're looking for a second flash I would HIGHLY recommend this one.
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Old Oct 26, 2004, 6:55 AM   #5
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You miss a couple more:

4. 2nd curtain sync (which you can enable from the flash)

5. Flash Exposure Bracketing (adjustable in 1/3-stop)

... and oh yeah it can sync to any studio strobe or camera with its built-in slave (which you can't do with either the 420EX or 550EX)!

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