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Hazy Low Contrast with Nikon 17-35 @ f/2.8

While shooting the mosaic comparison series with the nine different lenses at 17/21/24/28/35mm, I observed that the Nikon 17-35mm f/2.8 was more of a challenge to focus wide open at f/2.8 using Live View because of ultra low contrast, an effect I’ll call “haze” or “hazing”. For that reason, I focused at f/4, which helped, but did not banish the haze.

The haze is/was visible in all crops at all apertures, though the sharpening applied for presenting the mosaic crops masks the effect to a significant degree, by increasing the contrast.

It’s no mystery to see it in the final images, because a Live View gives real time look at the effect, and also proves that it’s not a focus issue, because there was no better focus or contrast to be had.

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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.

Both trees are ~50 feet (15m) way, yet tree at left is much sharper!
Click to view at actual pixels at f/2.8 and f/5.6

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