EXCERPT page containing first few paragraphs. 2021-12-02 17:19:57
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The distortion at 24mm is moderate and in line with most lenses of its focal length, so the Sigma 14-24mm f/2.8 DG DN Art might be praised in keeping distortion this low for a zoom lens.
Example @ 24mm
Sample with serial number xxxx6274.
In the center, there is a loss of 7% in terms of linear pixel count, that is, the pixels must be stretched apart linearly by 3.4%, so that 42MP resolution becomes in effect 39MP resolution in the center. The micro contrast is subtly decreased as a result. The outer zones are a bit less affected but lose micro contrast also.
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Diglloyd Guide to Mirrorless offers comprehensive integrated coverage of most APS-C and full frame mirrorless cameras and lenses.
Special emphasis is placed on Sony full-frame, including Sony lenses and the high performance Zeiss Batis and Zeiss Loxia lenses plus Rokinon/Samyang and others. Fujifilm X, Olympus and Panasonic M4/3, Sigma dp Merrill and dp/sd Quattro are also covered in depth. Years in the making, it offers a wealth of material for choosing and using a mirrorless camera.
- Make better images by learning how to get the best results right away. For example, the best way to set up your Sony camera.
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- Jaw-dropping image quality found nowhere else utilizing Retina-grade images up to full camera resolution, plus large crops.
- 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.
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