Comparison of Sigma 18-200mm f/3.5-6.3 DC and Sony SAL-18200 DT 18-200mm f/3.5-6.3

Attribute	Sony SAL-18200 DT 18-200mm f/3.5-6.3 ×	Sigma 18-200mm f/3.5-6.3 DC ×
Filter Size (mm)	62	62
Notes	Included Accessories: SH0008 Lens Hood	Available AF Mounts: Sigma, Canon, Nikon, Nikon (HSM), Minolta/Sony, Pentax, Four-Thirds
Closest Focus (m)	0.45	0.45
Magnification Ratio (x)	0.27	0.23
Type	Standard Zoom	Standard Zoom
Length (mm)	85.5	78.1
APS Equivalent	27 - 300mm	1.5x: 27 - 300mm; 1.6x: 28.8 - 320mm
Zoom System	Rotary	Rotary
Image Circle	APS-C	Image Circle
Focal Length (mm)	18.00 - 200.00	18.00 - 200.00
Brand	Sony	Sigma
Name	Sony SAL-18200 DT 18-200mm f/3.5-6.3	Sigma 18-200mm f/3.5-6.3 DC
Weight (g)	405	405
Aperture (f)	3.50 - 40.00	3.50 - 22.00
Diaphragm Blades	7	7
Diagonal Angle of View (degree)	8.00 - 76.00	7.10 - 69.30
Lens Construction	15 elements in 13 groups, including 3 aspherical and 2 ED glass elements	15 elements in 13 groups, including two aspherical elements and two Special Low Dispersion (SLD) lenses
Diameter (mm)	73	70
Focus Details	Internal	Internal, fixed lens length during focusing