EXCERPT page containing first few paragraphs. 2021-05-14 09:36:48
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This medium range series shot with long exposures at night is concerned with sharpness and secondary color correction without regard for focus shift (focus varies for the first 3 apertures). The Sigma 40mm f/1.4 DG HSM Art offers a tour-de-force demonstration of what is now possible for secondary color correction in modern lenses.
Images at sizes up to full camera resolution.
Sprinter by Moonlight
Adobe Camera Raw 22.214.171.124: view ACR settings. Camera Profile=Adobe Color. No lens corrections used.
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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.