ISO 160 for A900
I was reading somewhere that ISO 160 is actually the optimal ISO setting on the A900. Can anyone confirm this.
Re: ISO 160 for A900
Actually, with the help of Iliah Borg, Ive come to realize that ISO 320 is the most useful. The extra bit of preamp gain drives the ADCs, so the shadows have more detail, because the blacks don't clip. I did not notice the same advantage at ISO 160, although my preliminary findings show that ISO 640 does something similar.
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