Fujifilm released the new Firmware update ahead of their M Mount adapter

Detail of the update

The firmware update Ver.1.10 from Ver. 1.01 incorporates the following issue

• 1.New function for "FUJIFILM M mount adapter" is added to the shooting menu.
• 2.The MENU name "FOCAL LENGTH SETTING" is changed into "MOUNT ADAPTER SETTING", and new correction menu is added. DISTORTION CORRECTION, COLOR SHADING CORRECTION PERIPHERAL ILLUMINATION CORRECTION
• 3.Even if "LENS 5" or "LENS 6" (adjustable focal length) is set, the Bright Frame can be displayed on OVF in accordance with focal length. (Recommended lens focal length for OVF to check the Bright Frame: from 18mm to 60mm)
• 4.In MF (manual focus) mode, sharpness of live image at 10x magnified operation (by pressing the command dial) is set to high and focusing point can be much easily confirmed.
• 5.When FUJIFILM M mount adapter is connected to the camera body, the following issues are effective.
  • (1)By pressing the function button of M mount adapter", "MOUNT ADAPTER SETTING" menu is displayed quickly.
  • (2)"SHOOT WITHOUT LENS" is automatically set to "ON"
  • (3)"Distance indicator (Manual focus indicator)" in "Standard display" mode on EVF/OVF is automatically set to "OFF"
  • (4)3 types of correction menu (DISTORTION / COLOR SHADING / PERIPHERAL ILLUMINATION) are activated.

You can grab the update file from the following link:

http://www.fujifilm.com/support/digital_cameras/software/firmware/x/xpro1/index.html

Here is the compatability list of Leica, Voigtlander, Zeiss and Ricoh lenses for the Fujifilm X-Pro 1. The M Mount Adapter includes a resin guage for checking your lenses for compatibility as well.