Comparison of Sigma 18-200mm f/3.5-6.3 DC and Sigma 28-200mm f/3.5-5.6 DG Macro

Attribute	Sigma 28-200mm f/3.5-5.6 DG Macro ×	Sigma 18-200mm f/3.5-6.3 DC ×
Filter Size (mm)	62	62
Notes	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax; Include Accessories: Lens Hood	Available AF Mounts: Sigma, Canon, Nikon, Nikon (HSM), Minolta/Sony, Pentax, Four-Thirds
Closest Focus (m)	0.48	0.45
Magnification Ratio (x)	0.26	0.23
Type	Standard Zoom	Standard Zoom
Length (mm)	77.7	78.1
APS Equivalent	1.5x: 42 - 300mm; 1.6x: 44.8 - 320mm	1.5x: 27 - 300mm; 1.6x: 28.8 - 320mm
Zoom System	Rotary with lock	Rotary
Image Circle	35mm	Image Circle
Focal Length (mm)	28.00 - 200.00	18.00 - 200.00
Brand	Sigma	Sigma
Name	Sigma 28-200mm f/3.5-5.6 DG Macro	Sigma 18-200mm f/3.5-6.3 DC
Weight (g)	400	405
Aperture (f)	3.50 - 22.00	3.50 - 22.00
Diaphragm Blades	8	7
Diagonal Angle of View (degree)	12.30 - 75.40	7.10 - 69.30
Lens Construction	16 elements in 14 groups, including 2 aspherical elements	15 elements in 13 groups, including two aspherical elements and two Special Low Dispersion (SLD) lenses
Diameter (mm)	70	70
Focus Details	Internal	Internal, fixed lens length during focusing