Summary: Deducted one star due to motor noise. Hint to Fuji: fix it. What the others said about the noise is very true! I'm using this with my X-E1 which had the 28-55mm lens. If that's what you're using, you multiply the noise of the 28-55mm lens by 3x-4x. That's how loud it is. Deducted another star for the lens hood and covers being incredibly annoying. This lens has two covers. The first goes on the thread of the lens, the second goes in front of the lens hood.
Summary: Yes it is very sharp and it is very good in color rendering! but how about focusing noise! beside that it seems it is blind and tries to find a contrast to stick with it and a gives you a wrong object in focus!!!....Dear Fuji please write a better firmware for it before I sell it on Amazon.
Excerpt: The Fujifilm XF 35mm F/1.4 lens produces high quality images with nicely saturated colors and decent contrast. Out of focus areas are smooth. The only negative is that it makes a lot of noise when focusing or even when switching from taking photos to viewing them.