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

Attribute	Panasonic DMW-STC14 1.4X ×	Nikon AF-S TC-14E III 1.4X ×
Notes	Splash, Dust, and Freezeproof design; Compatible with select L-Mount lenses	-
Weight (g)	180	190
Type	Teleconverter	Teleconverter
Brand	Panasonic	Nikon
Name	Panasonic DMW-STC14 1.4X	Nikon AF-S TC-14E III 1.4X
Lens Construction	7 elements in 4 groups, including 2 UHR (Ultra High Refractive Index) elements	7 elements in 4 groups
Image Circle	35mm (L-Mount)	35mm
Magnification Ratio (x)	1.4	1.4
Diameter (mm)	65.3	64
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)	27.6	24.5