Comparison of Panasonic 14-50mm f/3.8-5.6 ASPH Leica D VARIO-ELMAR and Sigma 18-50mm f/2.8 EX DC

Attribute	Panasonic 14-50mm f/3.8-5.6 ASPH Leica D VARIO-ELMAR ×	Sigma 18-50mm f/2.8 EX DC ×
Diagonal Angle of View (degree)	24.00 - 75.00	27.90 - 69.30
Notes	Additional features: Mega O.I.S. Image Stabilization; Included Accessories: Lens Hood, Lens Caps, Storage Bag	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax, Four-Thirds
Aperture (f)	3.80 - 22.00	2.80 - 22.00
Magnification Ratio (x)	0.42	0.2
Filter Size (mm)	67	67
35mm Equivalent	28 - 100mm	-
Type	Standard Zoom	Standard Zoom
Diaphragm Blades	7	7
Lens Construction	15 elements in 11 groups, including 2 aspherical and 2 ED elements	15 elements in 13 groups, including two aspherical elements and one Special Low Dispersion (SLD) lens
Image Circle	Four-Thirds	Image Circle
Focal Length (mm)	14.00 - 50.00	18.00 - 50.00
Brand	Panasonic	Sigma
Name	Panasonic 14-50mm f/3.8-5.6 ASPH Leica D VARIO-ELMAR	Sigma 18-50mm f/2.8 EX DC
Weight (g)	434	445
Zoom System	Rotary	Rotary, non-telescoping
Focus Details	Internal	Internal focusing system
Diameter (mm)	75	74.1
Length (mm)	93.3	84.1
APS Equivalent	-	1.5x: 27 - 75mm; 1.6x: 28.8 - 80mm
Closest Focus (m)	0.29	0.28