Comparison of Nikon 800mm f/5.6E FL ED AF-S VR Nikkor and Sigma APO 800mm f/5.6 EX DG HSM

Attribute	Nikon 800mm f/5.6E FL ED AF-S VR Nikkor ×	Sigma APO 800mm f/5.6 EX DG HSM ×
Magnification Ratio (x)	0.151	0.11
Filter Size (mm)	52	46
Focus Details	Internal; Silent Wave Motor; A/M, M/A, M switch; Memory Recall switch	Internal; HSM with full-time manual override
Closest Focus (m)	5.9	7
Lens Construction	20 elements in 13 groups, including 2 ED glass elements, 2 fluorite elements and Nano Crystal Coat	13 elements in 10 groups, including 2 ELD elements
Length (mm)	461	520
Focal Length (mm)	800.00	800.00
Diagonal Angle of View (degree)	3.20	3.10
Brand	Nikon	Sigma
Image Circle	35mm	35mm
Name	Nikon 800mm f/5.6E FL ED AF-S VR Nikkor	Sigma APO 800mm f/5.6 EX DG HSM
Weight (g)	4600	4740
Type	Telephoto Prime	Telephoto Prime
Notes	VR Image Stabilization (up to 4 stops)	Available AF Mounts: [HSM version]: Sigma, Canon, Nikon; [w/o HSM]: Minolta, Pentax
APS Equivalent	1200mm	1.5x: 1200mm; 1.6x: 1280mm
Aperture (f)	5.60 - 32.00	5.60 - 32.00
Diaphragm Blades	9	9
Zoom System	n/a	-
Diameter (mm)	160	156.5