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EXCERPT page containing first few paragraphs. 2018-07-15 23:54:00
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Noise: 30 Seconds, 3-stop Underexposure (Rock Creek, Late Dusk)

Update 16 Jan 2018: Nikon has issued a firmware updater the is claimed to fix the serious image quality damage of long exposure noise reduction.

Udpdate 29 Dec 2017: enabling long exposure noise reduction (LENR) on the Nikon D850 results in a far noisier image. Be sure to DISABLE LENR for much superior results.

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Here the Nikon D850 is pushed beyond its limits with a 30 second exposure at late dusk where there is still light, but where it is getting too dark to hike without a flashlight. The glowing mountaintop was beautiful to behold, but also far brighter than the darker lake area.

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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 28 megapixels filling up to 5K display, 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.

f5.6 @ 30.0 sec, ISO 64; 2017-01-27 21:23:23
NIKON D850 + Zeiss Milvus 35mm f/1.4

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