9 out of 10 points and recommendedAmazingly sharp at all apertures from f4 to f13 Takes 77mm filters Very lightweight Weatherproof very accurate focusingLightweight construction
This little lens greatly surprised me with the sheer quality of its optics, so much so that I sold my beloved Nikon 16-35 VR f4 lens, the Tamron was just so much sharper, especially in the corners.reviewed September 23rd, 2018 (purchased for $600)
I then took it a little further and put it up against my current favourite Prime lens the Irix 15mm 2.4.
Another surprise, it not only held it's own but bettered the Irix just slightly on the edges especially the all-important Landscape apertures of f8,f11 and f13.
It would appear that Tamron has a winner on their hands with this lovely compact and lightweight lens.
I also found it to be very accurate using the Tamron Tap-in console and only needed a tiny tweak at 35mm, it would seem to be really optimized at the wide end.
My son also bought one and it is just as sharp and accurate, his on a Nikon D800 and Mine on the Nikon D810.