It occurs on diagonal lines which are not quite at 45 degrees, these lines are then 'made up' of groups of pixels in a 45 degree line, stepped one pixel and then repeated. This can be attributed to either a problem with the Bayer interpolation algorithm or sharpening algorithm. They exists also in RAW images converted using the supplied acquire module or RAW file converter. You can clearly see this pattern in the examples below (magnified 200%).
It's unlikely these artifacts would be visible on a printed page or computer monitor (and normal viewing sizes) but they are there, and noted.
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