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Getting live view exposure (was Re: Improving CHDK ND filter support)

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Offline reyalp

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Re: Getting live view exposure (was Re: Improving CHDK ND filter support)
« Reply #20 on: 28 / December / 2018, 17:04:20 »
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On EOS M3 the "ShowCurrentExp_FW" function prints  the Gain value in the range -96...480.
Does anybody found the way to change this gain? This could be usefull for FRSP.
FWIW, I investigated the "gain" values a while back:  https://chdk.setepontos.com/index.php?topic=13508.msg138135#msg138135

get_current_exp is what I called the function called by ShowCurrentExp.

I haven't found a way to set it or convert directly to normal ISO values.
Don't forget what the H stands for.

 

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