Comparison of Sigma 18-200mm f/3.5-6.3 II DC OS HSM and Sigma 18-250mm ƒ/3.5-6.3 DC OS HSM

Attribute	Sigma 18-250mm ƒ/3.5-6.3 DC OS HSM ×	Sigma 18-200mm f/3.5-6.3 II DC OS HSM ×
Notes	Image Stabilization; Available AF mounts: Sigma, Canon, Nikon, Pentax, Sony; Includes petal-type lens hood.	Image Stabilization (up to 4 stops); Available OS AF mounts: Sigma, Canon, Nikon; Non-OS AF mounts: Sony, Pentax. Includes petal-type lens hood.
Magnification Ratio (x)	0.29	0.26
Filter Size (mm)	72	62
Length (mm)	101	87.7
Closest Focus (m)	0.45	0.45
Diagonal Angle of View (degree)	5.70 - 69.30	7.10 - 69.30
Focus Details	Internal with AF/MF switch	Internal HSM (Hyper Sonic Motor) with AF/MF switch
Focal Length (mm)	18.00 - 250.00	18.00 - 200.00
APS Equivalent	1.5x: 27 - 375mm; 1.6x: 28.8 - 400mm	1.5x: 27 - 300mm; 1.6x: 28.8 - 320mm
Brand	Sigma	Sigma
Image Circle	Image Circle	Image Circle
Name	Sigma 18-250mm ƒ/3.5-6.3 DC OS HSM	Sigma 18-200mm f/3.5-6.3 II DC OS HSM
Weight (g)	630	490
Type	Standard Zoom	Standard Zoom
Aperture (f)	3.50 - 22.00	3.50 - 22.00
Diaphragm Blades	7	7
Diaphragm Blades Type	-	rounded
Lens Construction	18 elements in 14 groups, including 4 SLD and 3 aspherical elements	18 elements in 14 groups, including 1 FLD, 2 SLD and 2 aspherical elements
Zoom System	Rotary	Rotary
Diameter (mm)	79	75.3