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Nikon NIKKOR Z 24-70mm f/4 S
Nikon Z7

Autofocus Accuracy: Pinpoint AF vs Magnified Live View Reference

See also Nikon Z7 Autofocus Zone of Focus Errors.

This page evaluates the consistency of Nikon Z7 Pinpoint AF autofocus at f/4 using the Nikon NIKKOR Z 24-70mm f/4 S, comparing it against a reference image focused at f/4 in 100% magnified Live View.

Discussion includes what to do about the errors that are shown and best practices for this type of shooting.

Focusing study: Aspen Tree, Sole Survivor

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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.

f4 @ 1/20 sec IBIS=off, ISO 64; 2018-10-09 17:18:54
[location “Lundy Canyon”, altitude 8100 ft / 2469 m, 45°F / 7°C, LACA corrected]
NIKON Z7 + Nikon NIKKOR Z 24-70mm f/4 S @ 34mm

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