Comparison of Nikon 18-300mm ƒ/3.5-5.6G ED AF-S DX VR Nikkor and Sigma 18-250mm ƒ/3.5-6.3 DC OS HSM

Attribute	Nikon 18-300mm ƒ/3.5-5.6G ED AF-S DX VR Nikkor ×	Sigma 18-250mm ƒ/3.5-6.3 DC OS HSM ×
Notes	VR II Image Stabilization (up to 4 stops correction); Nikon Super Integrated Coating (SIC)	Image Stabilization; Available AF mounts: Sigma, Canon, Nikon, Pentax, Sony; Includes petal-type lens hood.
Magnification Ratio (x)	0.32	0.29
Filter Size (mm)	77	72
Length (mm)	120	101
Closest Focus (m)	0.45	0.45
Diagonal Angle of View (degree)	5.30 - 76.00	5.70 - 69.30
Focus Details	Internal; AF-S "Silent Wave" motor with full-time manual focus override feature (M/A Switch)	Internal with AF/MF switch
Focal Length (mm)	18.00 - 300.00	18.00 - 250.00
APS Equivalent	27 - 450mm	1.5x: 27 - 375mm; 1.6x: 28.8 - 400mm
Brand	Nikon	Sigma
Image Circle	APS-C	Image Circle
Name	Nikon 18-300mm ƒ/3.5-5.6G ED AF-S DX VR Nikkor	Sigma 18-250mm ƒ/3.5-6.3 DC OS HSM
Weight (g)	810	630
Type	Standard Zoom	Standard Zoom
Aperture (f)	3.50 - 32.00	3.50 - 22.00
Diaphragm Blades	9	7
Diaphragm Blades Type	rounded	-
Lens Construction	19 elements in 14 groups, including 3 aspherical and 3 ED elements	18 elements in 14 groups, including 4 SLD and 3 aspherical elements
Zoom System	Rotary with zoom lock switch	Rotary
Diameter (mm)	83	79