FujiFilm XF2X Teleconverter WR (Compatible w/XF50-140mm/XF100 -400mm Lenses)

The technical details behind this teleconverter
The FujiFilm XF2X Teleconverter WR (Compatible w/XF50-140mm/XF100 -400mm Lenses) is a teleconverter lens made up of nine elements in five groups that provides two times the focal length, yet the same focus range as the original lens. Its optical composition maintains the image performance of the original lens. This high-quality lens can provide up to two additional stops of its maximum and minimum aperture. Moreover, this lens features a metal exterior and has weather sealing as protection from various weather conditions and temperatures as low as -10-degree Celsius. This teleconverter is compatible with an updated XF50-140mmF2.8 R LM OIS WR and XF100-400mmF4.5-5.6 R LM OIS WR camera body.
Key Features

Weather-Sealed Construction
Compatible with XF 50-140mm & 100-400mm
2x Magnification Factor
Communication Between Lens & Camera
Includes
FujiFilm XF2X Teleconverter WR
Front lens cap
Rear lens cap
Lens pouch