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Pentax 645Z: ISO and Noise from 100 to 204800

Get Pentax 645 at B&H Photo.

Pentax 645Z

This extensive real-world evaluation of noise includes:

  • HD and UltraHD entire-frame images ISO 100 to ISO 204800 in RGB.
  • HD and UltraHD entire-frame images ISO 100 to ISO 204800 in RGB, gray gamma 2.2, and red/green/blue color channels.
  • Four large actual pixels crops ISO 100 to ISO 204800 in RGB, gray gamma 2.2, and red/green/blue color channels.

In my review of the Pentax 645:

Pentax 645Z ISO 100 to 204800 (Fruit Arrangement, Natural Light)

Pentax 645Z at ISO 800
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