I had the opportunity to use the new Fujifilm XF 8mm F/3.5 the day it was announced—almost out of the blue. I asked one of my contacts at Fujifilm if they had the 8-16mm lens at hand because I needed an ultra-wide angle lens to photograph an apartment for Airbnb. The spaces were a bit restrictive, so I wanted the widest non-fisheye lens in the Fujifilm range. Luckily, a magazine reviewer had...