Comparison of Nikon 200-500mm f/5.6E ED VR AF-S Nikkor and Sigma 120-400mm f/4.5-5.6 DG OS HSM APO

Attribute	Nikon 200-500mm f/5.6E ED VR AF-S Nikkor ×	Sigma 120-400mm f/4.5-5.6 DG OS HSM APO ×
Notes	VR Image Stabilization (up to 4.5 stops correction); Included Accessories: Front and rear lens caps, bayonet hood, semi-soft lens case	Optically Stabilized; Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony
Magnification Ratio (x)	0.22	0.24
Filter Size (mm)	95	77
Length (mm)	267.5	203.5
Closest Focus (m)	2.2	1.5
Diagonal Angle of View (degree)	6.20 - 12.30	-
Focus Details	Internal focusing with AF-S (Silent Wave Motor); Focus Range Limiter; M/A, M Mode Switch	Internal, with HSM
Focal Length (mm)	200.00 - 500.00	120.00 - 400.00
APS Equivalent	300 - 750mm	1.5x: 180 - 600mm; 1.6x: 192 - 640mm
Brand	Nikon	Sigma
Image Circle	35mm	35mm
Name	Nikon 200-500mm f/5.6E ED VR AF-S Nikkor	Sigma 120-400mm f/4.5-5.6 DG OS HSM APO
Weight (g)	2300	1750
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	5.60 - 32.00	4.50 - 22.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	-
Lens Construction	19 elements in 12 groups, including 3 ED elements; Super Integrated Coating	21 elements in 15 groups, including 3 SLD elements
Zoom System	Rotary	Rotary
Diameter (mm)	108	92.5