07-30-2016, 07:41 PM
Astro-photographers will be looking here, wide open is where they will scrutinize, it does well, but what about it's coma? just been shooting stars with the AF20mm F2.8D (no laughing please) hence the subject of coma, the Nikon looks like the vapour trail from supersonic aircraft at the point of the sound barrier.
The performance of this lens will be affected by it's parameters here!
The performance of this lens will be affected by it's parameters here!