Comparison of Nikon AF-S TC-14E II 1.4X and Panasonic DMW-STC14 1.4X

Attribute	Nikon AF-S TC-14E II 1.4X ×	Panasonic DMW-STC14 1.4X ×
Type	Teleconverter	Teleconverter
Name	Nikon AF-S TC-14E II 1.4X	Panasonic DMW-STC14 1.4X
Weight (g)	200	180
Image Circle	35mm	35mm (L-Mount)
Brand	Nikon	Panasonic
Magnification Ratio (x)	1.4	1.4
Lens Construction	5 elements in 5 groups	7 elements in 4 groups, including 2 UHR (Ultra High Refractive Index) elements
Notes	Compatible with AF-S and AF-I Nikkor lenses except AF-S 17-35mm f/2.8D IF-ED and AF-S 28-70mm f/2.8D IF-ED.	Splash, Dust, and Freezeproof design; Compatible with select L-Mount lenses
Diameter (mm)	66	65.3
Focal Length Multiplier	1.4X that of the master lens	1.4X that of the master lens
Effective Reduction in Aperture	1 f-stop	1 f-stop
Length (mm)	24.5	27.6