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Canon 5DS R: Noise Under Real-World Conditions in the Field

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This image makes an excellent candidate for assessment of noise in the field: shot at late dusk in blue light, 30 second exposure, contrast that maxes-out the dynamic range of the Canon 5DS R sensor.

Shown as-shot and with adjustments, and with and without chroma noise reduction, as well as a very large crop in the ProPhotoRGB and AdobeRGB color spaces, with RGB and grayscale versions together with the red, green, blue individual color channels from both color spaces. Also, the entire image is shown up to 24 megapixels, which gives a good practical feel for how it compares to the 22-megapixel Canon 5D Mark III.

Canon 5DS R Real-World Noise: Moonstar Bristlecone

The results are instructive for users of any camera in terms of chroma noise reduction as well as the use of color space to control noise with images shot under this kind of extreme lighting.

Moonstar over Bristlecone
f9 @ 30.0 sec, ISO 100; 2015-06-23 21:02:09
Canon EOS 5DS R + Canon EF 15mm f/2.8 Fisheye

[low-res image for bot]
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