EXCERPT page containing first few paragraphs. 2020-09-18 14:07:21
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This aperture series is an outstanding example of field curvature with a wide angle lens, and how much depth of field (stopping down) is needed and mild and how much stopping down is needed for this type of landscape image.
The higher pixel density of the 46-megapixel Nikon D850 makes it a more demanding camera than the 36-megapixel Nikon D810. Also, f/11 is slightly more degraded on a per pixel basis from diffraction, thus making choice of focus even more critical, so as to not have to stop down more than necessary for depth of field.
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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.