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Old May 27, 2005, 9:41 AM   #1
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I recently purchased the sigma ef-500 dg super flash. I have read the manual frontward and backwards and I still do not have a good understanding on how to use the flash and all its features. Is there anyway someone could help me. I know how it works I just don't know how to incorporate the features like when would I want to reduce the power levels, and what does the pulse frequency do and when would I want to reduce that. Also is the exposure compensation the same thing as reducing the power. I consider myself an advanced amature but really need help with the flash unit.
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Old May 27, 2005, 9:56 PM   #2
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anthony57 wrote:
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... Is there anyway someone could help me. I know how it works I just don't know how to incorporate the features like when would I want to reduce the power levels
You would do this when you're on manual to reduce the flash intensity.
In automatic the power level is controlled automatically from the camera



Quote:
what does the pulse frequency do and when would I want to reduce that
This control the duration between flash pulses - it has a stroboscopic movie like effect in stopping movements -> faster actions require faster rates...



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Also is the exposure compensation the same thing as reducing the power
Kind of, but one usually uses this mode to overide the camera or 'compensate' for the camera metering error... ie when most pictures turn out too dark (or too bright) for example
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