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Upgrade the memory of your 2020 iMac up to 128GB
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Sony Mirrorless wish list • Deals on Sony
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Recent posts by Lloyd at MacPerformanceGuide.com, WindInMyFace.com:

2023-03-28 macOS Security: erroneous messages eg “openjdk-20-x64.jdk is damaged and can't be opened”

2023-03-28 IntegrityChecker (icj) Java Release 3.0 fc19

2023-03-28 Do Any Macs Support USB-C 3.2 Gen 2x2?

2023-03-28 Dumb Energy: Tilting at Windmills

2023-03-27 Bad News: They Finally Did a Meta-Analysis of All of Science, and It Turns Out It’s Not Signific…

2023-03-26 Consumer Reports: Your Herbs and Spices Might Contain Arsenic, Cadmium, and Lead

2023-03-25 Cholesterol/Statin Claims: Science or Self-Serving Propaganda?

2023-03-24 America’s Broken Health Care: Diagnosis and Prescription

2023-03-23 Reader Comment: “no test showing IOPS” — MPG Reverting to using Mebibytes instead of Megabytes

2023-03-23 Are there any Credible Scientific Journals Remaining?

Canon 24mm f/1.4L II: Field Curvature (Metreon)

2015-04-07 - SEND FEEDBACK

Related: Canon, Canon 24mm, Canon EF, Canon EF 24mm f/1.4L II, field curvature
Canon 24mm f/1.4L II

Get Canon 24mm at B&H Photo.

I went back and redid an older take on the Canon 24mm f/1.4L II, in part to confirm my findings in the recent comparisons against the Sigma 24mm f/1.4 DG HSM Art.

In DAP:

Canon 24mm f/1.4L II: Field curvature and Aberrations (Night-time)

Presented with HD and UltraHD images .

Commentary on the behavior should prove quite useful if you’re shooting this lens, but also of general interest in understanding field curvature behavior—a poster child case. Also, the demonstration of aberrations is revealing.

Metreon area, San Francisco
f1.4 @ 1/30 sec, ISO 800; 2009-06-10 20:17:30
Canon EOS 5D Mark II + Canon EF 24mm f/1.4L II

[low-res image for bot]

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