The "FUJINON TELECONVERTER XF 1.4X TC WR" is a high-performance teleconverter capable of multiplying the focal length of mounted lenses* by 1.4x. Although the aperture becomes one f-stop higher when mounted, the teleconverter features an excellent optical design with a construction of 7 elements in 3 groups to maintain the optical performance of the original lens. Also, thanks to the unified design when mounted to a compatible lens*, the teleconverter is weather and dust-resistant and operates at temperatures as low as -10°C. This makes it possible to be used with confidence outdoors when used with the weather and dust-resistant FUJIFILM X-T1 or X-Pro2 camera bodies and XF50-140mmF2.8 R LM OIS WR or XF100-400mmF4.5-5.6 R LM OIS WR lenses.
Compatibility Chart
Lens
Focal length with teleconverter mounted
Max. aperture with teleconverter mounted
XF50-140mmF2.8 R LM OIS WR
70mm-196mm (107mm-299mm in 35mm format equivalent)
F4
XF100-400mmF4.5-5.6 R LM OIS WR
140mm-560mm (213mm-853mm in 35mm format equivalent)
F6.3-8
Type
FUJINON TELECONVERTER XF1.4X TC WR
Lens configuration
7 elements 3 groups
Focal length
1.4x that of original lens
Max. aperture
1 additional stop
Min. aperture
1 additional stop
Focus range
Approx. same as that of original lens
Max. magnification
1.4x that of original lens
External dimensions: Diameter x Length （distance from camera lens mount flange）
Approx. Φ58mm x 15mm
Weight (excluding lens caps）
Approx.130g
MTF Chart of XF1.4X TC WR with XF50-140mmF2.8 R LM OIS WR
Vertical axis : Contrast S : Sagittal M : MeridionalWide(50mm)
Spatial frequency 15 lines/mm
Distance from the center of the image XF50-140mmF2.8 R LM OIS WR
Spatial frequency 45 lines/mm
Distance from the center of the image XF50-140mmF2.8 R LM OIS WR
Telephoto(140mm)
Spatial frequency 15 lines/mm
Distance from the center of the image XF50-140mmF2.8 R LM OIS WR
Spatial frequency 45 lines/mm
Distance from the center of the image XF50-140mmF2.8 R LM OIS WR
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