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Conclusions

Please see first the Mosaic Comparison Conclusions.

The bottom line is that if you stop down to the f/5.6 - f/8 range, all of the lenses can deliver very good to excellent results in most cases. So differences might come down to ergonomics, distortion, range, and quality at maximum aperture for handheld shooting.

My preference is for real-world field shooting, but this review focused on the mosaic comparison in order to provide a methodical survey of what can be expected. With nine lenses at 16/17/21/24/28/35mm, extensive field shooting as with my Zeiss Guide would have meant a month or two to cover all these lenses (at least), and I instead wanted to establish a baseline reference work for all the lenses involved.

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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.

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