Comparison of Olympus EC-14 1.4X Zuiko Digital and Pentax 1.4X-L

Attribute	Pentax 1.4X-L ×	Olympus EC-14 1.4X Zuiko Digital ×
Notes	Usable Lenses: SMC Pentax A-, F-, M-lenses	-
Weight (g)	175	170
Type	Teleconverter	Teleconverter
Brand	Pentax	Olympus
Name	Pentax 1.4X-L	Olympus EC-14 1.4X Zuiko Digital
Lens Construction	5 elements in 5 groups	6 elements in 5 groups
Image Circle	35mm	Four-thirds
Magnification Ratio (x)	1.4	1.4
Diameter (mm)	65.5	68
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)	28.5	22