Comparison of Panasonic 12.5mm ƒ/12 Lumix G 3D and Tamron F AF 2X

Attribute	Panasonic 12.5mm ƒ/12 Lumix G 3D ×	Tamron F AF 2X ×
Type	3D Prime	Teleconverter
Name	Panasonic 12.5mm ƒ/12 Lumix G 3D	Tamron F AF 2X
Weight (g)	45	-
Image Circle	Micro Four-Thirds	35mm
Brand	Panasonic	Tamron
35mm Equivalent	65mm	-
Focal Length (mm)	12.50	-
Closest Focus (m)	0.6	-
Focus Details	Fixed (0.6m / 1.97 ft. to infinity)	-
Notes	1 When setting the aspect ratio at 16:9 with the LUMIX DMC-GH2. Included accessories: storage bag.	Available AF Mounts: Canon, Minolta, Nikon, Pentax
Magnification Ratio (x)	0.02	2
Aperture (f)	12.00	-
Length (mm)	20.5	26
Diameter (mm)	57	66.7
Effective Reduction in Aperture	-	2 f-stops
Lens Construction	4 elements in 3 groups (x 2)	4 elements in 4 groups
Focal Length Multiplier	-	2X that of the master lens
Diagonal Angle of View (degree)	37.00	-