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

Attribute	Sigma 50-500mm f/4.5-6.3 DG OS HSM APO ×	Sigma APO 50-500mm ƒ/4-6.3 EX DG HSM ×
Notes	Image Stabilized. Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony. Included Accessories: Case, Lens Hood LH1030-01, Step-down Ring, Shoulder S	Available AF Mounts: [HSM version]: Sigma, Canon, Nikon, Four-Thirds; [w/o HSM]: Minolta, Pentax
Magnification Ratio (x)	0.32	0.19
Filter Size (mm)	95	86
Length (mm)	219	218.5
Closest Focus (m)	1.8	1
Diagonal Angle of View (degree)	5.00 - 46.80	5.00 - 46.80
Focus Details	Internal; HSM with full-time manual override	Internal; HSM with full-time manual override
Focal Length (mm)	50.00 - 500.00	50.00 - 500.00
APS Equivalent	1.5x: 75-750mm; 1.6x: 80-800mm	1.5x: 75 - 750mm; 1.6x: 80 - 800mm
Brand	Sigma	Sigma
Image Circle	35mm	35mm
Name	Sigma 50-500mm f/4.5-6.3 DG OS HSM APO	Sigma APO 50-500mm ƒ/4-6.3 EX DG HSM
Weight (g)	1970	1840
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	4.50 - 22.00	4.00 - 22.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	-
Lens Construction	22 elements in 16 groups, including 4 SLD elements	20 elements in 16 groups, including 4 SLD elements
Zoom System	Rotary with lock	Rotary with lock
Diameter (mm)	104.4	95