Fujifilm Teleconverter XF 2x TC WR

Compatible lenses (as of May 19, 2016):

FUJINON XF50-140mmF2.8 R LM OIS WR => 100-280mmF5.6 with teleconverter attached (152-427mm equivalent to KB).

FUJINON XF100-400mmF4.5-5.6 R LM OIS WR => 200-800mmF9-11 with teleconverter attached (305-1.219mm equivalent to KB)

Service note:
In order to achieve full compatibility with the FUJIFILM X-series cameras and the FUJINON XF50-140mmF2.8 R LM OIS WR as well as XF100-400mmF4.5-5.6 R LM OIS WR lenses, a firmware update is necessary. When updating firmware, please note that the firmware update is performed first on the camera and then on the lens.

For more information on firmware updates, please visit the following website: http://www.fujifilm.com/support/digital_cameras/software/fw_table.html