Comparison of Fujinon GF 1.4X TC WR and Nikon AF-S TC-20E III 2X

Attribute	Fujinon GF 1.4X TC WR ×	Nikon AF-S TC-20E III 2X ×
Type	Teleconverter	Teleconverter
Name	Fujinon GF 1.4X TC WR	Nikon AF-S TC-20E III 2X
Weight (g)	400	330
Image Circle	Medium Format (Fujifilm G-mount)	35mm
Brand	Fujinon	Nikon
Magnification Ratio (x)	1.4	2
Lens Construction	7 elements in 3 groups	7 elements in 5 groups (with 1 aspherical element)
Notes	For Fujifilm G-mount; Weather- and Dust-resistant; Included Accessories: Lens cap, Lens rear cap RLCP-002, Lens pouch.	Designed for use with AF-S and AF-I Nikkor lenses. See Description tab for compatibility.
Diameter (mm)	82	66
Focal Length Multiplier	1.4X that of the master lens	2X that of the master lens
Effective Reduction in Aperture	1 f-stop	2 f-stops
Length (mm)	26.7	46