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Canon EOS Ra Sensor Measurements at PhotonsToPhotos

Started Aug 13, 2020 | Discussions thread
GXAlan Regular Member • Posts: 223
Re: Canon EOS Ra Sensor Measurements at PhotonsToPhotos

bclaff wrote:

Note that only the red channel appears to be unscaled.

There's definitely scaling on the red at some ISOs. Take a look at

in the 1/250 FPN tests
114A8184.CR3 ISO 125
114A8187.CR3 ISO 250

But yes, the blue and greens are more consistently scaled than others.

This must be the digital white balance pre-scaling (which explains why the white balance on EOS Ra is always easy to fix in post).  I recall the D810 did this and the D810A was considered a very good astro camera.

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