Comparison of Olympus 12-200mm f/3.5-6.3 M.Zuiko Digital ED and Sigma 18-200mm f/3.5-6.3 DC Macro OS HSM Contemporary

Attribute	Olympus 12-200mm f/3.5-6.3 M.Zuiko Digital ED ×	Sigma 18-200mm f/3.5-6.3 DC Macro OS HSM Contemporary ×
Aperture (f)	3.50 - 22.00	3.50 - 22.00
Diaphragm Blades Type	circular	rounded
Filter Size (mm)	72	62
Notes	Splash and dust proof; Included Accessories: LH-76C Lens Hood, LC-72D Lens Cap, LR-2 Lens Rear Cap, Lens Case.	Image Stabilization; Available OS AF mounts: Canon EF, Nikon F, Sigma SA; Non-OS AF mounts: Sony A, Pentax K
Focus Details	-	Internal HSM (Hyper Sonic Motor) with AF/MF switch
Type	Standard Zoom	Standard Zoom
Diaphragm Blades	7	7
Diameter (mm)	77.5	70.7
Image Circle	Image Circle	Image Circle
Focal Length (mm)	12.00 - 200.00	18.00 - 200.00
Brand	Olympus	Sigma
Name	Olympus 12-200mm f/3.5-6.3 M.Zuiko Digital ED	Sigma 18-200mm f/3.5-6.3 DC Macro OS HSM Contemporary
Weight (g)	455	430
Diagonal Angle of View (degree)	6.20 - 84.00	8.10 - 76.50
Lens Construction	16 elements in 11 groups, including 3 aspherical, 2 Super ED, 2 ED, 1 Super HR and 2 HR elements; ZERO Coating	16 elements in 13 groups, including SLD and aspherical elements
Zoom System	Rotary	Rotary
Closest Focus (m)	0.22	0.39
35mm Equivalent	24 - 400mm	-
Length (mm)	99.7	86
APS Equivalent	-	1.5x: 27 - 300mm; 1.6x: 28.8 - 320mm
Magnification Ratio (x)	0.1	0.3