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Nikon Z8

High Noise at ISO 100 with Auto Exposure

re: ETTR

When I started using the Nikon Z8, I was struck by what seems to be rather noise images. How could that be? This page looks at high noise levels at ISO 100 with Nikon Z8 images, and discusses how to greatly improve results.

The Z8 sensor is not inherently noisy, but the way exposure works leads to ISO 100 effectively yielding the noise levels of ISO 320 to ISO 800. The astute photographer capturing RAW can greatly improve image quality by increasing exposure appropriately.

Readers need not be familiar with ETTR concepts, but mastering ETTR is a prerequisite for optimal results with all cameras.

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Diglloyd Guide to Mirrorless is by yearly subscription. Subscribe now for about 25 cents a day ($90/year).
BEST DEAL: get full access to ALL 8 PUBLICATIONS for only about 75 cents a day!

Diglloyd Guide to Mirrorless offers comprehensive integrated coverage of most APS-C and full frame mirrorless cameras and lenses.

Special emphasis is placed on Sony full-frame, including Sony lenses and the high performance Zeiss Batis and Zeiss Loxia lenses plus Rokinon/Samyang and others. Fujifilm X, Olympus and Panasonic M4/3, Sigma dp Merrill and dp/sd Quattro are also covered in depth. Years in the making, it offers a wealth of material for choosing and using a mirrorless camera.

  • Make better images by learning how to get the best results right away. For example, the best way to set up your Sony camera.
  • Save money by choosing the right lens for your needs the first time, particularly with the numerous lenses available for Sony.
  • Make better images, a sort of “cheat sheet” saving yourself months or years of ad-hoc learning—best practices and how-to and processing parameters are discussed and shown.
  • Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to full camera resolution, plus large crops.
  • Real world examples with insights found nowhere else. Make sharper images just by understanding lens behavior you won’t read about elsewhere.
  • Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
  • Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.

Want a preview? Click on any page below to see an excerpt as well as extensive blog coverage, for example on Sony.

f1.2 @ 1/100 sec handheld IBIS=on, ISO 100; 2023-06-09 20:12:53
Nikon Z8 + Nikon NIKKOR Z 50mm f/1.2 S
RAW: Camera Standard, +10 Whites, +10 Clarity

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