The starry sky AF is the cat's meow but where are quality ultrawide fast
primes? The Oly fishy is not rectilinear and the 7-14/2.8 pro is pretty crummy
at 7mm and a tad slow given the increased noise of MFT. Then this new guy was
just announced. It was difficult to locate any coma data but after fishing
around for awhile located one youtube review.
https://www.dpreview.com/articles/3330356829/hands-on-with-the-panasonic-leica-dg-summilux-9mm-f1-7-asph-lens
https://www.youtube.com/watch?v=-3YG4YkiC8k
Well?????? Really optimized for Vlogging, oddball WA macro and small size.
Designers had to compromise on distortion, vignetting, coma, so may not be
great for astro. Will reserve final judgment, but early data not encouraging
for this application. Bah, humbug. It is really, really small though.
Eyes on the sky, Mike
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