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EXCERPT page containing first few paragraphs. 2021-06-19 04:40:28

36MP Nikon D810
Nikon AF-S 28mm f/1.4E ED

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Aperture Series: Courtyard View to Tower

This scene shows off the Nikon 28mm f/1.4E at night using a a more planar scene than with View to Tower, so that we can better assess outer-zone performance.

Courtyard View To Tower

Adobe Camera Raw View ACR Settings. Camera Profile = Adobe Standard. Shadow boost for dark areas. No lens corrections used.

Focus was on the bushes just of center, which leaves the far background just a little out of focus. Ideally, the lens would deliver sharpness edge to edge across the frame and for this subject that should mean sharpness on the orange trees at left and right. That’s the goal, but the reality is a little different: the 28/1.4 needs stopping down to make those outer areas sharp, which is readily seen at full resolution: very sharp very impressive central area, but the sharpness drops off very quickly about half way from center to edge and then continues to decline. That this is not field curvature is seen here and in the View to Tower series; near or far the outer zones are just not very sharp for the first few apertures. Which goes back to a tried and true: a lens can be as good as one wishes for, so long as it can be made as large as necessary. Nikon has clearly opted for a compromise in making the lens smaller and lighter. That said, the overall look is fantastic (and one might say “improved classic” rendering).

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Diglloyd DAP is DSLR-oriented, but also contains workflow and other topics. Much of the focus is on Canon and Nikon but also Pentax and Pentax medium format.

Special emphasis is placed on lens evaluation, focusing on Canon and Nikon and Sigma lenses, but with a few others like Rokinon/Samyang.

  • Make better images by learning how to get the best results right away.
  • Save money by choosing the right lens for your needs the first time, particularly some of the new Sigma Art lenses vs Nikon and Canon.
  • Workflow discusses image organization, raw conversion and post processing. Many examples show processing parameters for direct insight into how the image was converted.
  • Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to full camera resolution, plus large crops [past 2 years or so].
  • 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 Nikon or on Canon or on Pentax.

Aperture series 1.4,2,2.8,4,6.3,9 available in full article

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