Comparison of Sigma 50-500mm f/4.5-6.3 DG OS HSM APO and Sigma APO 80-400mm f/4.5-5.6 EX OS

Attribute	Sigma 50-500mm f/4.5-6.3 DG OS HSM APO ×	Sigma APO 80-400mm f/4.5-5.6 EX OS ×
Notes	Image Stabilized. Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony. Included Accessories: Case, Lens Hood LH1030-01, Step-down Ring, Shoulder S	Image Stabilization; Available AF Mounts: Sigma, Canon, Nikon
Magnification Ratio (x)	0.32	0.2
Filter Size (mm)	95	77
Length (mm)	219	192
Closest Focus (m)	1.8	1.8
Diagonal Angle of View (degree)	5.00 - 46.80	6.20 - 30.30
Focus Details	Internal; HSM with full-time manual override	Internal
Focal Length (mm)	50.00 - 500.00	80.00 - 400.00
APS Equivalent	1.5x: 75-750mm; 1.6x: 80-800mm	1.5x: 120 - 600mm; 1.6x: 128 - 640mm
Brand	Sigma	Sigma
Image Circle	35mm	35mm
Name	Sigma 50-500mm f/4.5-6.3 DG OS HSM APO	Sigma APO 80-400mm f/4.5-5.6 EX OS
Weight (g)	1970	1750
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	4.50 - 22.00	4.50 - 32.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	-
Lens Construction	22 elements in 16 groups, including 4 SLD elements	20 elements in 14 groups, including 3 SLD elements
Zoom System	Rotary with lock	Rotary with lock
Diameter (mm)	104.4	95