My complete ignorance of all things hardware-related doesn't help, either...
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Replying to @cmuratori @dotstdy
The full-well problem says there are technical limits to how much charge a sensor can encode, which limits dynamic range
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which means you still probably want an iso-ish analog gain to cover the full range (e.g. longer exposure in daylight).
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Is the full-well problem really more of a shutter speed thing at some level, though? I mean if there was no gain...
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Eg., once you take gain out of the equation, and you just have large bit depths, then you're just shutter speed right?
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Replying to @cmuratori @dotstdy
If you have too much light, you blow out the sensor. You can shorten shutter open time, but then you lose motion blur.
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So as long as you want to achieve the full range of effects that film can, I think you do still need analong gain there.
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And so you can set the gain negative, I guess?
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(this is that aforementioned lack of hardware knowledge - like I have no idea if negative gain is a thing here :)
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Replying to @cmuratori @dotstdy
Traditionally two separate things; signal gain requires an amplifier, signal reduction is trivial (e.g. volume knob).
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OK I get it - so yeah, then it does make sense how you could still have a longer shutter with a lower ISO.
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