EXCERPT page containing first few paragraphs. 2019-09-19 15:08:50
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This series at distance assesses sharpness on a target that is as demanding as anything can be. The slightest deviation in lens assembly would show asymmetric sharpness and the target is planar, revealing any field curvatures issues. Together with the very fine details, it is a serious challenge to any lens.
Adobe Camera Raw 220.127.116.112. View ACR settings.
Diffraction mitigating sharpening used for f/11.
Distortion is obvious, showing the 2.25% barrel distortion as per the distortion graph.
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These systems are hugely expensive, so make the right choice for your own needs (full frame vs medium format).
- In-depth lens evaluations covering behaviors not likely to be found anywhere else, based on real-world field shooting.
- How to configure menus and buttons and best operating practices, gotchas and how-to.
- Real world examples with insights found nowhere else. Make sharper images just by understanding lens and camera behaviors.
- Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to 100 megapixels filling up to 5K display, plus large crops.
- 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.