Flash compensation vs. exposure compensation

Started Sep 4, 2005 | Discussions thread
OP JensR Forum Pro • Posts: 17,971
Re: Flash compensation vs. exposure compensation

Hi again!

Just a small addition:

Maybe this is old news to the veterans here, but if the *ist DS is
used with flash (internal/external TTL) in Av mode, the exposure
time is changed to 1/125 upon fully flash charge and exposure
compensation dialed in via the command wheel will now serve as
flash exposure compensation.

This is correct for my Pentax DFA 100mm. For my Sigma 18-125 (the only other KAF lens I own), the fixed exposure time is dependend on the focal length, ranging between 1/30 and 1/125 (or was that even 1/180?).
Adjusting flash exposure works nevertheless.


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