EXCERPT page containing first few paragraphs. 2023-06-02 11:56:16
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LENS Evaluations: Conclusions
The reader is strongly advised to read the lens evaluation notes.
The lens evaluations of the Nikon lenses show that when full-frame performance is considered, the 36-megapixel Nikon D800 sensor resolution exceeds the capability of most Nikon lenses (and probably most lenses of other brands, including Zeiss). At least on a planar (flat) target, which is also a proxy for landscape photograph (“infinity” focus is planar excepting a near/far composition).
One should remember that the D800 sensor can be thought of as a high resolution sampling device. High resolution reduces digital artifacts, and remains beneficial even if the lenses cannot fully resolve to the sensor. See Optimal Aperture, 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.
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.