Anybody here using base-ISO exclusively or predominantly?

Started 8 months ago | Discussions thread
nixda
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Re: Two Things Count: Analog SNR and How Much Analog Signal Reaches The ADC
In reply to Jeff Charles, 8 months ago

Jeff Charles wrote:

nixda wrote:

My question is: when aperture and shutter speed are selected appropriately for intended DoF and motion freeze, but the resulting image at base ISO would end up darker than intended, is it necessary with the X-Trans APS-C sensors to adjust the ISO upwards, or would it be sufficient to keep base ISO (in order to maximize DR) and adjust brightness afterwards in post-processing?

Does keeping base ISO and then brightening later on the computer really maximize DR? I think it's the actual exposure that determines DR, not ISO.

Sensors have different intrinsic DR at different ISO settings, with base ISO usually having the highest DR. The scene has its own DR. The exposure determines how much of that scene DR is thrown at the sensor.

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