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EXCERPT page containing first few paragraphs. 2019-05-22 01:10:24

36MP Nikon D810
Nikon AF-S NIKKOR 70-200mm f/2.8E FL ED VR

Aperture Series @ 135mm: White Truck at Night (Nikon D810)

The series looks at sharpness and color aberrations under artificial light at night including metallic and whites, as well as fine lettering and dark shadows.

White Truck at Night

Adobe Camera Raw View ACR Settings. Camera Profile = Adobe Standard. No lens corrections used.

The violet color in places is from a nearby emergency kiosk and is faithfully recorded. In not a lens defect, rather it is a true-to-life rendering of the actual lighting.

Depth of field means that the entire near/far of the truck cannot be sharp not even at f/6.3, but the front 2/3 is strong. Focus was on the vertical metal strip just behind the cab, leaving the leading areas of the truck just a little out of peak focus. If the sensor has 100 megapixels, perhaps one could read the inset stick on the front bumper? The fine detail there is beyond the limits of the sensor to record, but the lens hints at it being there. See also the other fine text in places a well as the dirt on the windshield and the scratches on the top of the truck.

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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 2.8,4,6.3 available in full article

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