Hardware or software amplification for intermediate ISOs?

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Leandros S
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Hardware or software amplification for intermediate ISOs?
6 months ago

I originally asked this question about the K-3, and no answer yet. If anyone wants to contribute information about other Pentax bodies as well, feel free! I got curious about this issue in light of the recent post about high ISO image quality on the K-3.

So, are ISOs 250, 320, ..., 5000, ..., 40000 etc. done entirely in software, as it seems to be done in most cameras, or in hardware, as it's been claimed it's done in some unspecified others?

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Pentax K-3
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