Comparison of Nikon 180-400mm f/4E TC1.4 FL ED VR Nikkor and Sigma APO 500mm f/4.5 EX DG HSM

Attribute	Nikon 180-400mm f/4E TC1.4 FL ED VR Nikkor ×	Sigma APO 500mm f/4.5 EX DG HSM ×
Notes	Built-in 1.4x Teleconverter; VR Image Stabilization up to 4 stops; Sealed against dust and moisture.	Available AF Mounts: [HSM version]: Sigma, Canon, Nikon; [w/o HSM]: Minolta, Pentax
Magnification Ratio (x)	0.25	0.13
Filter Size (mm)	5	46
Length (mm)	362.5	350
Closest Focus (m)	2	4
Diagonal Angle of View (degree)	6.20 - 13.40	5.00
Focus Details	Internal SWM (AF-S); AF Recall Mode; Focus Range Limiter (2m to infinity (Full) or 6m to infinity); A/M, M/A, M Mode Switch	Internal; HSM with full-time manual override
Focal Length (mm)	180.00 - 400.00	500.00
APS Equivalent	270 - 600mm (378 - 840mm with built-in TC engaged)	1.5x: 750mm; 1.6x: 800mm
Brand	Nikon	Sigma
Image Circle	35mm	35mm
Name	Nikon 180-400mm f/4E TC1.4 FL ED VR Nikkor	Sigma APO 500mm f/4.5 EX DG HSM
Weight (g)	3500	3150
Type	Telephoto Zoom	Telephoto Prime
Aperture (f)	4.00 - 45.00	4.50 - 32.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	-
Lens Construction	27 elements in 19 groups, including 1 Fluorite element and 8 ED elements; Nano Crystal Coat; Super Integrated Coating	12 elements in 9 groups, including 2 ELD elements
Zoom System	Rotary	-
Diameter (mm)	128	123