07-19-2018, 12:57 PM
A couple of days ago I unpacked my copy of it. Awesome as usual 
But today I was visiting lensrentals Blog and voilà, readers asking for "Roger please do the real test" instead of some dude who tried to compare UWA zooms and failed gloriously.
So he did, started with the 14-24/2.8 Art, I can recognize my lens in what he found. But there's more this time on that. It's worth to read the addendum to find out how Sigma reacted when Roger told them 5 lenses are fine, 3 are very bad... read for yourself: https://www.lensrentals.com/blog/2018/07/mtf-tests-for-the-sigma-14-24mm-f2-8-art-series-lens/
But today I was visiting lensrentals Blog and voilà, readers asking for "Roger please do the real test" instead of some dude who tried to compare UWA zooms and failed gloriously.
So he did, started with the 14-24/2.8 Art, I can recognize my lens in what he found. But there's more this time on that. It's worth to read the addendum to find out how Sigma reacted when Roger told them 5 lenses are fine, 3 are very bad... read for yourself: https://www.lensrentals.com/blog/2018/07/mtf-tests-for-the-sigma-14-24mm-f2-8-art-series-lens/