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EXCERPT page containing first few paragraphs. 2021-10-25 06:00:16

Canon EF 24mm f/2.8 IS USM

Examples: 5D Mark III (White Mountains, Yosemite)

Made with the 22-megapixel Canon 5D Mark III at ISO 100.


This PAIR of exposures is at f/2.8 and f/10 was taken at 30 seconds and 345 seconds and pushed 1.2 and 2.2 stops respectively— hence they are somewhat noisy as per typical Canon 5DM3 sensor noise, even at ISO 100.

The 24/2/8 delivers very high contrast and sharpness centrall wide open—impressively good.

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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].
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  • 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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Aperture series 2.8, 10 available in full article
30 seconds for f/2.8 + 1.2 push, 345 seconds for f/10 + 2.2 push, ISO 100
Canon 5D Mark III + Canon EF 24mm f/2.8 IS USM

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