Why 'more or less stopped using ISO'?

Started 10 months ago | Questions thread
edhannon
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Re: Why 'more or less stopped using ISO'?
In reply to Iliah Borg, 10 months ago

There are three places that brightening can be applied:

  • With amplification between the sensor andq analog to digital conversion (e.g. Pentax *ist line)
  • By using more bits in the analosg to digital conversion than are used in raw output file then bit shifting in firmware (e.g. Pentax K10)
  • By processing the raw data either in camera or in the raw converter.

The last one uses cheaper hardware but results in loss of effective bit depth.

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