Comparison of Sigma 28-200mm f/3.5-5.6 DG Macro 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 28-200mm f/3.5-5.6 DG Macro ×
Filter Size (mm)	62	62
Notes	Included Accessories: SH0008 Lens Hood	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax; Include Accessories: Lens Hood
Closest Focus (m)	0.45	0.48
Magnification Ratio (x)	0.27	0.26
Type	Standard Zoom	Standard Zoom
Length (mm)	85.5	77.7
APS Equivalent	27 - 300mm	1.5x: 42 - 300mm; 1.6x: 44.8 - 320mm
Zoom System	Rotary	Rotary with lock
Image Circle	APS-C	35mm
Focal Length (mm)	18.00 - 200.00	28.00 - 200.00
Brand	Sony	Sigma
Name	Sony SAL-18200 DT 18-200mm f/3.5-6.3	Sigma 28-200mm f/3.5-5.6 DG Macro
Weight (g)	405	400
Aperture (f)	3.50 - 40.00	3.50 - 22.00
Diaphragm Blades	7	8
Diagonal Angle of View (degree)	8.00 - 76.00	12.30 - 75.40
Lens Construction	15 elements in 13 groups, including 3 aspherical and 2 ED glass elements	16 elements in 14 groups, including 2 aspherical elements
Diameter (mm)	73	70
Focus Details	Internal	Internal