EXCERPT page containing first few paragraphs. 2020-08-08 13:00:10
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You will not find a better one for a 50mm lens; even at f/2 the lens outperforms most 50mm lenses at f/5.6.
By f/5.6, the 50/2 APO is very close to what is theoretically possible, and is far sharper in the extreme corners than many lenses in the center!
It is appropriate that the MTF charts below place the 50/2 APO-Summicron-M ASPH at the top, with its siblings shown for comparison below.
Regrettably, Leica provides MTF charts for three apertures per lens, and those apertures vary depending on maximum lens aperture. Still, we have f/2.8 for most lenses here, and f/5.6 for all.
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Diglloyd Guide to LEICA contains in-depth coverage of Leica M system cameras and lenses, with additional coverage of Leica M Monochrom, Leica Q, Leica SL.
Special emphasis is placed on Leica M lenses and certain Zeiss ZM lenses.
- 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 the Summilux/Summicron/Elmarit choice and/or Zeiss ZM.
- Make better images, a sort of “cheat sheet” saving yourself months or years of ad-hoc learning. Processing parameters are discussed and shown.
- 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.
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