Comparison of Sigma APO 50-500mm ƒ/4-6.3 EX DG HSM and Sigma APO 80-400mm f/4.5-5.6 EX DG OS

Attribute	Sigma APO 50-500mm ƒ/4-6.3 EX DG HSM ×	Sigma APO 80-400mm f/4.5-5.6 EX DG OS ×
Filter Size (mm)	86	77
Notes	Available AF Mounts: [HSM version]: Sigma, Canon, Nikon, Four-Thirds; [w/o HSM]: Minolta, Pentax	Image Stabilization; Available AF Mounts: Sigma, Canon, Nikon
Closest Focus (m)	1	1.8
Magnification Ratio (x)	0.19	0.2
Type	Telephoto Zoom	Telephoto Zoom
Length (mm)	218.5	192
APS Equivalent	1.5x: 75 - 750mm; 1.6x: 80 - 800mm	1.5x: 120 - 600mm; 1.6x: 128 - 640mm
Zoom System	Rotary with lock	Rotary with lock
Image Circle	35mm	35mm
Focal Length (mm)	50.00 - 500.00	80.00 - 400.00
Brand	Sigma	Sigma
Name	Sigma APO 50-500mm ƒ/4-6.3 EX DG HSM	Sigma APO 80-400mm f/4.5-5.6 EX DG OS
Weight (g)	1840	1750
Aperture (f)	4.00 - 22.00	4.50 - 32.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	5.00 - 46.80	6.20 - 30.30
Lens Construction	20 elements in 16 groups, including 4 SLD elements	20 elements in 14 groups, including 3 SLD elements
Diameter (mm)	95	95
Focus Details	Internal; HSM with full-time manual override	Internal