Comparison of Nikon 70-200mm f/2.8E FL ED VR AF-S Nikkor and Sigma 70-200mm ƒ/2.8 EX DG OS HSM APO

Attribute	Nikon 70-200mm f/2.8E FL ED VR AF-S Nikkor ×	Sigma 70-200mm ƒ/2.8 EX DG OS HSM APO ×
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Filter Size (mm)	77	77
Notes	Image Stabilization (up to 4 stops); Weather sealed; Included Accessories: Hood, Case, Tripod Collar	Image Stabilized. Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony. Included Accessories: Case, Petal-type Hood (LH850-02), Hood Adapter, Tripo
Closest Focus (m)	1.1	1.4
Magnification Ratio (x)	0.21	0.13
Zoom System	Rotary	Rotary with lock; Internal
Type	Telephoto Zoom	Telephoto Zoom
APS Equivalent	105 - 300mm	1.5x: 105 - 300mm; 1.6x: 112 - 320mm
Diaphragm Blades	9	9
Image Circle	35mm	35mm
Focal Length (mm)	70.00 - 200.00	70.00 - 200.00
Brand	Nikon	Sigma
Name	Nikon 70-200mm f/2.8E FL ED VR AF-S Nikkor	Sigma 70-200mm ƒ/2.8 EX DG OS HSM APO
Weight (g)	1430	1430
Diaphragm Blades Type	rounded	rounded
Lens Construction	22 elements in 18 groups, including 1 HRI (high refractive index), 1 FL (flourite) and 6 ED (extra low dispersion) elements	22 elements in 17 groups, including 3 SLD and 2 FLD elements
Diagonal Angle of View (degree)	12.30 - 34.30	12.30 - 34.30
Length (mm)	202.5	197.6
Diameter (mm)	88.5	86.4
Focus Details	Internal focusing via Silent Wave Motor with seamless manual focus override; Focus mode and limit switches	Internal; HSM with full-time manual override