Comparison of Fujinon XF 2X TC WR and Olympus EC-20 2X Zuiko Digital

Attribute	Olympus EC-20 2X Zuiko Digital ×	Fujinon XF 2X TC WR ×
Type	Teleconverter	Teleconverter
Name	Olympus EC-20 2X Zuiko Digital	Fujinon XF 2X TC WR
Weight (g)	225	170
Image Circle	Four-thirds	APS-C (Fujifilm X-mount)
Brand	Olympus	Fujinon
Magnification Ratio (x)	2	1.4
Lens Construction	7 elements in 5 groups	9 elements in 5 groups
Notes	Can be attached to any ZUIKO DIGITAL interchangeable lens. Dust & Drip Proof. Included Accessories: Lens Cap (BC-1), Lens Case (LSC-0814).	For Fujifilm X-mount; Weather- and dust-resistant.
Diameter (mm)	68	58
Focal Length Multiplier	2X that of the master lens	2X that of the master lens
Effective Reduction in Aperture	2 f-stops	2 f-stops
Length (mm)	41	30.2