It's not the cheapest, and it's not the first, but if you've been holding out on picking up an M-Mount adapter for your X-Pro1 with the hope that Fujifilm with launch a Leica-friendly accessory of its own, your patience does appear to have paid off. The camera maker just announced its very own M-Mount Adapter, featuring a 27.8mm distance between the lens mount and the sensor, an aluminum and stainless steel construction, and three levels of distortion correction. After you upgrade your camera firmware to version 1.10 (or later), you'll have access to an advanced M-Mount Adapter Settings menu