I shoot on Sony A7II, I tried almost the entire line of Sony lenses (Thanks to the rental), GM, Batis, and I can safely say that the lens from Tamron is in no way inferior to expensive glasses from Sony, and some even surpass them in terms of parameters. So, for example, autofocus works much more accurately and quickly than that of the 24-70 F4, I’m generally silent about fixes like 85 1.4 GM / 1.8 Batis, they generally disappointed with their work, although they were faster. Also pleased with the low weight, because. I shoot most of the video on the stabilizer