Comparison of Sigma 500mm f/4 DG OS HSM Sports and Sigma 50-150mm ƒ/2.8 EX DC OS HSM APO

Attribute	Sigma 500mm f/4 DG OS HSM Sports ×	Sigma 50-150mm ƒ/2.8 EX DC OS HSM APO ×
Diaphragm Blades Type	rounded	rounded
Notes	Image Stabilized; Available AF Mounts: Canon EF, Nikon F, Sigma SA.	Image Stabilized (up to 4 stops correction); Planned AF Mounts: Canon, Nikon, Pentax, Sigma, Sony; Included Accessories: Lens Hood, Case
Aperture (f)	4.00 - 32.00	2.80 - 22.00
Magnification Ratio (x)	0.15	0.16
Filter Size (mm)	46	77
Weight (g)	-	1.34
Type	Telephoto Prime	Telephoto Zoom
Diaphragm Blades	9	9
Lens Construction	16 elements in 11 groups, including 1 SLD and two FLD elements	21 elements in 15 groups, including 6 SLD elements
Focal Length (mm)	500.00	50.00 - 150.00
APS Equivalent	1.5x: 750mm; 1.6x: 800mm	1.5x: 75 - 225mm; 1.6x: 80 - 240mm
Image Circle	35mm	APS-C
Brand	Sigma	Sigma
Name	Sigma 500mm f/4 DG OS HSM Sports	Sigma 50-150mm ƒ/2.8 EX DC OS HSM APO
Diagonal Angle of View (degree)	5.00	9.50 - 27.90
Focus Details	Internal; HSM with full-time manual override	HSM (Hyper Sonic Motor) with full-time manual focus override
Diameter (mm)	145	86.4
Length (mm)	381	197.6
Zoom System	-	Rotary
Closest Focus (m)	3.5	0.8