Comparison of Nikon 80-400mm ƒ/4.5-5.6G ED VR AF-S Nikkor and Sigma APO 50-500mm ƒ/4-6.3 EX DG HSM

Attribute	Sigma APO 50-500mm ƒ/4-6.3 EX DG HSM ×	Nikon 80-400mm ƒ/4.5-5.6G ED VR AF-S Nikkor ×
Notes	Available AF Mounts: [HSM version]: Sigma, Canon, Nikon, Four-Thirds; [w/o HSM]: Minolta, Pentax	Vibration Reduction (VR) allows for up to four stops of image stabilization
Magnification Ratio (x)	0.19	0.175
Filter Size (mm)	86	77
Length (mm)	218.5	203
Closest Focus (m)	1	1.75
Diagonal Angle of View (degree)	5.00 - 46.80	6.20 - 30.20
Focus Details	Internal; HSM with full-time manual override	AF-S with Silent Wave Motor (SWM), Focus mode switch (A/M, M/A and M); Focus limiter switch
Focal Length (mm)	50.00 - 500.00	80.00 - 400.00
APS Equivalent	1.5x: 75 - 750mm; 1.6x: 80 - 800mm	120 - 600mm
Brand	Sigma	Nikon
Image Circle	35mm	35mm
Name	Sigma APO 50-500mm ƒ/4-6.3 EX DG HSM	Nikon 80-400mm ƒ/4.5-5.6G ED VR AF-S Nikkor
Weight (g)	1840	1570
Type	Telephoto Zoom	Zoom
Aperture (f)	4.00 - 22.00	4.50 - 40.00
Diaphragm Blades	9	9
Diaphragm Blades Type	-	rounded
Lens Construction	20 elements in 16 groups, including 4 SLD elements	20 elements in 12 groups, including 1 Super ED and 4 ED glass elements; Nano Crystal Coat
Zoom System	Rotary with lock	Rotating
Diameter (mm)	95	95.5