I cannot see any problems with ISO settings.When you select the ISO below 100, camera can not display that value and you may see the value that would be selected by the camera.If you look at the image in playback mode,you will see that your ISO settings are applied.
Thanks for the report.
You're right. I got confused because when shooting with ISO 10, exif data shows ISO 200 as the actual ISO speed used (bug?)I made a few tests and it seems to be shooting with ISO 50 or ISO 100, regardless of what the exif data says.
@ for developersThe lowest usable ISO is 50, but the camera crashes when is used in AUTO mode with flash.Will we limit the ISO to 100? Or the benefit of using a lower ISO value is more preferable, with the risk of camera crash?Both solution has its advantages and disadvantages.
Generally speaking, CHDK ISO overrides don't work far outside of the range available in the canon UI. I would be surprised if 50 is actually much different from 100. If it actually works below 100, I'd expect the lowest real value is more like 85.
On ISO50 is the last change in the histogram, but it may not be completely correct.Amp glow on ISO80 and Tv64 sec is significantly lower than on ISO100 Tv64 sec.
edit: I ask because if the ISO values were "real" rather than the "market" values used in the Canon UI, 50 probably corresponds to about 80, and 100 to about 160. The exposure override interface uses "market" values, although it's possible the conversion is not correct.
Yes, I did not think about it, I used the "market" ISO from the chdk menu.
You can verify the market / real conversion using the method described in this post:https://chdk.setepontos.com/index.php?topic=12532.225
I would be interested to see the results of an isoinc run, from say iso 40 to 200 if it's not too inconvenient.
QuoteYou can verify the market / real conversion using the method described in this post:https://chdk.setepontos.com/index.php?topic=12532.225Is this a link to the right post?
Do not worry I did not forget about it, I'm just these days as a camera "Busy".
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