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Sigma Electronic Flash EF 500 DG Super

EF_500_DG_Super_Flash
Review Date: Jan 20, 2008 Recommend? yes | Price paid: $259.00 | Rating: 8 

 
Pros: Optical slave capability, Pulse flash, Strong flash output, wide manual power setting
Cons:
Inconsistent ETTL, no socket for radio slave triggers, Slow synch speed (1/160s)

I bought this since the 580ex is so much more expensive and the 550ex looks bigger than my XTi considering that I seldom use on camera flash.

What sold me the item was the ETTL feature, or so I thought. Unfortunately the results are underexposed most of the time regardless of what mode (Tv, Av, P, AUTO) I put it on. But in manual mode the results are much more consistent.


This flash is feature packed though. Strobe effects, Optical Slave feature, Manual power setting from 1/1 - 1/ 128, FP and rear curtain flash. These pretty much compensates for the disappointing ETTL failure.

Definitely a hobbyist's flash, as I am. If your looking for consistency go for Canon.