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See also OWC 14-port Thunderbolt 3 Dock"

Three Canon EF 200mm f/1.8L USM Aperture Series: Lee Vining Creek Through Meadow + Young Pine Amid Its Ancestors + Mt Dana, Earth Shadow Rising (Canon 5Ds R)

This series looks at far distance performance of the Canon EF 200mm f/1.8L USM.

The 200/1.8L ceased production around the time DSLRs emerged. Its predecessor, the Canon EF 200mm f/2L IS USM, is 1/3 stop slower and might have better performance in various ways.

So how does the 200/1.8L hold up at 50 megapixels, a challenge never envisioned when the lens was designed?

Canon EF 200mm f/1.8L USM Aperture Series: Lee Vining Creek Through Meadow

Canon EF 200mm f/1.8L USM Aperture Series: Young Pine Amid Its Ancestors

Canon EF 200mm f/1.8L USM Aperture Series: Mt Dana, Earth Shadow Rising

Includes images up to full camera resolution.

f1.8 @ 1/200 sec, ISO 100; 2019-07-12 18:49:31
Canon EOS 5DS R + Canon EF 200mm f/1.8L USM
ENV: Lee Vining Creek, altitude 9500 ft / 2896 m
RAW: Enhance Details, LACA corrected

[low-res image for bot]
f2.8 @ 1/6 sec, ISO 50; 2019-07-12 19:54:28
Canon EOS 5DS R + Canon EF 200mm f/1.8L USM
ENV: Mt Dana from Saddlebag Lake area, altitude 10000 ft / 3048 m
RAW: Enhance Details, LACA corrected, USM{8,50,0}

[low-res image for bot]
f4 @ 1/25 sec, ISO 100; 2019-07-12 19:08:27
Canon EOS 5DS R + Canon EF 200mm f/1.8L USM
ENV: Saddlebag Lake area, altitude 9950 ft / 3033 m
RAW: Enhance Details, LACA corrected

[low-res image for bot]
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MacPerformanceGuide.com
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