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04-24-2010, 06:40 AM   #1
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Sigma EF-530 DG ST compatibility issue with K-x?

Hi all,

I've paired K-x with Sigma EF-530 DF ST flash and I experience issues as follows.


The following pictures are taken with DA 16-45mm Manual mode @f/4.0 and 1/125s, with flash fired directly at the subject:


At 16mm:


At 45mm:




At 16mm:


At 45mm:




So exposure is correct at 16mm but constantly underexpose at 45mm.

Any clue what's going on with the flash and K-x? Is the flash incompatible with K-x?

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16mm, 45mm, ef-530, ef-530 dg st, flash, k-x, lighting, photo studio, sigma, sigma ef-530 dg, strobist
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