Comparison of Kenko Teleplus PRO 300 AF 3X and Panasonic DMW-TC20 2X

Attribute	Kenko Teleplus PRO 300 AF 3X ×	Panasonic DMW-TC20 2X ×
Type	Teleconverter	Teleconverter
Name	Kenko Teleplus PRO 300 AF 3X	Panasonic DMW-TC20 2X
Weight (g)	200	160
Image Circle	35mm	Micro Four-Thirds
Brand	Kenko	Panasonic
Magnification Ratio (x)	3	2
Lens Construction	7 elements in 4 groups	8 elements in 5 groups
Notes	Available AF Mounts: Canon, Minolta, Nikon	Splash, Dust, and Freezeproof design
Diameter (mm)	68.3	58
Focal Length Multiplier	3X that of the master lens	2X that of the master lens
Effective Reduction in Aperture	3 f-stops	2 f-stops
Length (mm)	43.5	34