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Nikon Z7
Nikon NIKKOR Z 24-70mm f/2.8 S

Aperture Series @ 31mm: Huge Old Pine, Its Needles and Cones (Focus Shift)

When I shot this scene, I did so partly to check for focus shift, which proved prescient.

This series looks at a quite pronounced focus shift of the Nikon NIKKOR Z 24-70mm f/2.8 S at 31mm from f/2.8 through f/11. It confirms the findings of focus shift also seen in Natural Bonsai over Beaver Pond and details how much shift and how to compensate for it.

Compensating for focus shift is particularly useful for the photographer looking to optimize total sharpness in the middle of the zoom range with the Nikon 24-70; the field curvature and focus shift behaviors must be understood for optimal result.

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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.

Aperture series 2.8,4.5,6.3,9,11 available in full article

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