Quote:
Originally Posted by Peter Ward
Attached just one more...note, despite the photosphere still being in view, the sheer lack of internal reflection from the AP objective. 
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... and lack of diffraction effects from new Canon bodies/chips. It really is an amazing progress (my 2017 similar shots with photosphere arcs showed strong diffraction caused by pixel grid of relatively old 7D). Better microlensing/Bayer filters?