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Old Sep 18, 2006, 3:18 AM   #1
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Sorry for the cross posting. Most people with teh XTi wouldn't be looking in a sub catagory of flashes.

I know I need a flash from some of the shots I took with the stock. Should I get the 430EX ($299) or spend about $150 more and get the 580EX? I wont be buying multiple flahses, I wont be doing this for a living. I will be taking pictures at Car shows, inside the house, places like disneyland etc. I dont think I will be shooting alot of shots in a row, but I hate to wait for my flash to charge up. I do like using it to bounce my flash off the ceiling. Will either do?
I have a Sony F32x flash. And its OK. If I can trust the guide numbers (which I'm not sure how to use)It rates:
Stock on XTi: 17
Sony F32X: 32
430EX: 43
580EX: 58

Is there that much difference in 43 vs 58? TO warrant a $430+ flash?
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Old Sep 18, 2006, 7:18 PM   #2
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you could get a Sigma 500DG Super for the same price as the 430EX. The Sigma has the same features as the Canon 550EX which the 580EX replaced.
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Old Sep 19, 2006, 4:57 AM   #3
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I ended up getting the 430EX. I think it would suite what I need. I liked some features.

Btw, how can I tell the difference in e-ttl and e-ttl II? My camera and flash is compatable with version 2, but how can I tell if its "on"?
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Old Sep 19, 2006, 7:44 AM   #4
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The E-TTL(older) and E-TTL II(newer) is done automatically inside the camera - You can't control it...

BTW when you bounce the flash is absorbed by the material reflected so you might want the higher GN
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Old Sep 19, 2006, 12:12 PM   #5
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Its strange, I had the Sony flash, which is lower than the 430EX, but unlike the Sony, I have to up the FEC by at least 1.
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Old Sep 20, 2006, 1:44 PM   #6
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If i remember correctly, the main difference ETTL-II has over ETTL-I is that the newer version takes distance-to-subject into consideration. But this is only useful when the flash head is facing forward in its defualt position (which is just like a built-in flash... but more powerful).
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