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Nikon Z7
Coastal Optics
60mm f/4 UV-VIS-IR APO macro

Aperture Series: Sprinter Halogen Headlamp Closeup (Nikon Z7)

The Coastal 60/4 offers perfect correction of primary and secondary color* while also offering a high MTF performance. Here it is put to a demanding test involving a very high contrast and reflective subject in which much of it starts out of focus, thus trying hard to show any trace of chromatic errors—without success. It is also remarkably resistant to diffraction, delivering an exceptional image at f/16.

Includes images up to full camera resolution. from f/4 through f/16. These images are a visual treat showing what is possible with a lens having perfect correction. Recommended viewing device is an Apple iMac 5K.

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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 4,6.3,9,11,16 available in full article

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