Guys, we got this Fujifilm in latest firmware update finally fix af-s issue with wide angle lenses! I did some tests today with my X-H2 + Viltrox 13/1.4 + Viltrox 27/1.2, and I'm happy to report that this issue is rally fixed (and You know how demanding I'm for camera gear)
富士終於處理這個問題了
另外這一篇 https://www.dpreview.com/forums/thread/4755719 Given the recent discussion of Fujifilm AF-S autofocus reliability and accuracy, I wanted to contribute some sample images illustrating the autofocus (AF) performance of my ca. 2017 X-T20 and 18-55mm f/2.8-4 OIS. Earlier this year, I had set up a scene in my living room to compare AF-S and AF-C AF (single-point and zone) on near subjects with the same camera. Those results are shared in these posts:
Part 1: https://www.dpreview.com/forums/post/67472144 Part 2: https://www.dpreview.com/forums/post/67472195 Part 3: https://www.dpreview.com/forums/post/67472237 Part 4: https://www.dpreview.com/forums/post/67472279