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Oh those conundrums of lenses lenses lenses ..........
I had an idea/epiphany (depending on correctness) about the yellow/blue. Probably we are seeing light refraction by the atmosphere, where blue and yellow get refracted at different angles. So we see (lateral)CA, not from the optics, but rather from the atmosphere.

Here an image taken with the Canon EF 600mm f4 L IS USM II:

Often, moon images on the interweb are turned black and white (probably to hide colour noise), and so we are not used to seeing that yellow and blue?

A Tamron 150-600mm showing the same effect (but stronger... lower moon probably):

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RE: Oh those conundrums of lenses lenses lenses .......... - by Brightcolours - 10-13-2019, 12:21 PM

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