Dissapointing Sony A77 II High ISO performance

Started 7 months ago | Discussions thread
Nordstjernen
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Misunderstanding
In reply to Seeky, 7 months ago

Seeky wrote:

These images are worthless to determine low light high ISO performance because the scenes are not low light at all.

There is a common belief that you can't test high ISO performance under bright light conditions. This is a widely spread misundertanding.

  1. The sensitivity of digital sensors is linear
  2. Bright or low light, the exposure is what matters!
  3. Night scenes often have large dark areas - so just check the result for equivalent areas
  4. If the exposure is so long that termic noise kicks in, then you mess up the test
  5. Once more: The sensitivity of digital sensors is linear
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