A7iii and Godox TT350 - what am I doing wrong?

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DustyBin
DustyBin Contributing Member • Posts: 530
A7iii and Godox TT350 - what am I doing wrong?

Sorry if this is a really stupid question...

Just bought the Godox to use with my A7iii.  Initial TTL test all good... except that I had the camera in auto ISO and it chose ISO5000 for shutter speed 1/100 and f5.6.  Surprised me as the room is only 20 feet long... I’d assumed the flash would be fine with a lower ISO.

So, switch to ISO200 with 1/100 and f5.6.  Now the shot was underexposed. At the far end of the room.  At the bottom of the screen I see MM -2.0.

I have read the manual and the flash seems correctly set up for TTL.  Is use of high ISO correct?

 DustyBin's gear list:DustyBin's gear list
Canon EOS 7D Mark II Canon EF 100-400mm F4.5-5.6L IS II Olympus PEN-F Sony a6300 Sony a7 III +10 more
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