Comparison of Olympus EC-14 1.4X Zuiko Digital and Sony SAL-14TC 1.4X

Attribute	Olympus EC-14 1.4X Zuiko Digital ×	Sony SAL-14TC 1.4X ×
Notes	-	Compatible Lenses: Sony 70-200mm f/2.8 G, Sony 300mm f/2.8 G and Sony 135mm f/2.8 STF lenses
Weight (g)	170	170
Type	Teleconverter	Teleconverter
Brand	Olympus	Sony
Name	Olympus EC-14 1.4X Zuiko Digital	Sony SAL-14TC 1.4X
Lens Construction	6 elements in 5 groups	5 elements in 4 groups
Image Circle	Four-thirds	35mm
Magnification Ratio (x)	1.4	1.4
Diameter (mm)	68	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)	22	20