Comparison of Nikon 800mm f/5.6E FL ED AF-S VR Nikkor and Sigma APO 300-800 f/5.6 EX DG HSM

Attribute	Nikon 800mm f/5.6E FL ED AF-S VR Nikkor ×	Sigma APO 300-800 f/5.6 EX DG HSM ×
Filter Size (mm)	52	46
Notes	VR Image Stabilization (up to 4 stops)	Available AF Mounts: Sigma, Canon, Nikon, Four-Thirds
Closest Focus (m)	5.9	6
Magnification Ratio (x)	0.151	0.14
Type	Telephoto Prime	Telephoto Zoom
Length (mm)	461	544
APS Equivalent	1200mm	1.5x: 450 - 1200mm; 1.6x: 480 - 1280mm
Zoom System	n/a	Rotary
Image Circle	35mm	35mm
Focal Length (mm)	800.00	300.00 - 800.00
Brand	Nikon	Sigma
Name	Nikon 800mm f/5.6E FL ED AF-S VR Nikkor	Sigma APO 300-800 f/5.6 EX DG HSM
Weight (g)	4600	5880
Aperture (f)	5.60 - 32.00	5.60 - 32.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	3.20	3.10 - 8.20
Lens Construction	20 elements in 13 groups, including 2 ED glass elements, 2 fluorite elements and Nano Crystal Coat	18 elements in 16 groups, including 2 ELD elements
Diameter (mm)	160	165.5
Focus Details	Internal; Silent Wave Motor; A/M, M/A, M switch; Memory Recall switch	Internal; HSM with full-time manual override