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Nikon D810
Sigma 14mm f/1.8 DG HSM Art

Aperture Series + Focus Stack: Dead and Live Aspen, Dusk

The Two Aspen at Beaver Pond, Sunset example showed frames shot conventionally along with a focus stack, demonstrating how conventional stopping down is just not enough, even at f/10 (or f/11 or f/13).

This aperture series is a combination presentation, showing performance (and depth of field) from f/1.8 through f/11, but it also includes a 3-frame focus stack at f/9. Set against single-frame f/9 and f/11 frames, it provides insight into depth of field limitations versus stopping down.

Landscape photographers really need the focus stacking toolkit in their bag of skills, because there is simply no way to obtain adequate near-to-far depth of field in this scene, and many others like it. Ironically, the “deep depth of field” often cited for an extreme wide angle lens (e.g., 14mm) is counterbalanced by the typical requirement that a compelling image lens requires very close subject matter in order to maintain interest; this is one such example. Thus while a 14mm has great depth of field while stopped down to f/11, that is still not nearly enough depth of field for subject matter a few feet away to the far distance. This image was shot with the 36-megapixel Nikon D810, but the 45-megapixel Nikon D850 makes the challenge even harder.

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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 1.8,2.8,4.5,6.3,9,9.1,11 available in full article

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