Comparison of Nikon 70-300mm f/4-5.6D ED AF Nikkor and Sigma 70-300mm f/4-5.6 DG Macro

Attribute	Sigma 70-300mm f/4-5.6 DG Macro ×	Nikon 70-300mm f/4-5.6D ED AF Nikkor ×
Magnification Ratio (x)	0.5	0.26
Filter Size (mm)	58	62
Front Element Rotation	-	-
Closest Focus (m)	0.95	1.5
Lens Construction	14 elements in 10 groups, including 1 SLD element	13 elements in 9 groups, including 1 ED element
Length (mm)	122	117
Focal Length (mm)	70.00 - 300.00	70.00 - 300.00
Diagonal Angle of View (degree)	8.20 - 34.30	8.20 - 34.30
Brand	Sigma	Nikon
Image Circle	35mm	35mm
Name	Sigma 70-300mm f/4-5.6 DG Macro	Nikon 70-300mm f/4-5.6D ED AF Nikkor
Weight (g)	545	516
Type	Telephoto Zoom	Telephoto Zoom
Notes	Available AF Mounts: Sigma, Canon, Nikon, Minolta, Pentax	Included Accessories: HB-15 Hood
APS Equivalent	1.5x: 105 - 450mm; 1.6x: 112 - 480mm	105 - 450mm
Aperture (f)	4.00 - 22.00	4.00 - 32.00
Diaphragm Blades	9	9
Zoom System	Rotary	Rotary
Diameter (mm)	76.6	74