Comparison of Nikon 70-300mm f/4.5-5.6 1 Nikkor VR and Sigma 70-300mm f/4-5.6 DG OS

Attribute	Sigma 70-300mm f/4-5.6 DG OS ×	Nikon 70-300mm f/4.5-5.6 1 Nikkor VR ×
Aperture (f)	4.00 - 22.00	4.50 - 16.00
Filter Size (mm)	62	62
Notes	Image Stabilization. Available AF Mounts: Sigma, Canon, Nikon, Pentax, Sony. For Pentax and Sony mount, when the OS function of lens body is used, pl	For use with Nikon 1 compact system cameras. 2.7x conversion factor. VR image stabilization. Included Accessories: Lens hood, front and rear lens cap
Focus Details	-	AF with Full/Limit switch
Closest Focus (m)	1.5	1
Zoom System	Rotary	Rotary
Lens Construction	16 elements in 11 groups, including 1 SLD element	16 elements in 10 groups, including 1 Super ED glass element; Nano Crystal Coating
Focal Length (mm)	70.00 - 300.00	70.00 - 300.00
APS Equivalent	1.5x: 105 - 450mm;1.6x: 112 - 480mm	189 - 810mm
Brand	Sigma	Nikon
Image Circle	35mm	Nikon 1 (CX Format)
Name	Sigma 70-300mm f/4-5.6 DG OS	Nikon 70-300mm f/4.5-5.6 1 Nikkor VR
Weight (g)	610	550
Type	Telephoto Zoom	Telephoto Zoom
Diaphragm Blades Type	rounded	rounded
Diaphragm Blades	9	7
Diagonal Angle of View (degree)	-	3.00 - 13.00
Length (mm)	126.5	108
Magnification Ratio (x)	0.26	-
Diameter (mm)	76.5	72.6