Just Posted: Our Fujifilm XF1 hands-on preview. Fujifilm has starting making cameras worth taking seriously with its X-series, both at the compact camera and interchangeable lens end of the spectrum. The XF1 uses the 2/3"-type sensor from the XS1 and X10, and builds it into an attractive, retro-styled compact body with a usefully fast lens that includes a retracting mechanical zoom ring. How does it stack up against its rivals? Read our preview to find out.