Comparison of Kenko 2.0X Teleplus HD DGX and Tamron SP AF 2X PRO

Attribute	Tamron SP AF 2X PRO ×	Kenko 2.0X Teleplus HD DGX ×
Type	Teleconverter	Teleconverter
Name	Tamron SP AF 2X PRO	Kenko 2.0X Teleplus HD DGX
Weight (g)	184	171
Image Circle	35mm	35mm
Brand	Tamron	Kenko
Magnification Ratio (x)	2	2
Lens Construction	7 elements in 4 groups	5 elements in 3 groups; Digital Multi-Coating
Notes	Available AF Mounts: Canon, Minolta, Nikon	Available AF Mounts: Canon EF/EF-S, Nikon AF-S (G/E Type)
Diameter (mm)	68.5	65
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)	43.5	35.8