Comparison of Canon EF 70-300mm ƒ/4-5.6L IS USM and Sigma 150-500mm f/5-6.3 DG OS HSM APO

Attribute	Sigma 150-500mm f/5-6.3 DG OS HSM APO ×	Canon EF 70-300mm ƒ/4-5.6L IS USM ×
Notes	Optically Stabilized; Available AF Mounts: Canon, Nikon, Pentax, Sigma, Sony	Image Stabilization (4-stops). Included Accessories: Lens hood, soft case. Tripod mount optional.
Magnification Ratio (x)	0.19	0.21
Filter Size (mm)	86	67
Length (mm)	252	143
Closest Focus (m)	2.2	1.2
Diagonal Angle of View (degree)	-	8.30 - 34.00
Focus Details	Internal, with HSM	Ultra-sonic Motor (USM) with AF/MF switch
Focal Length (mm)	150.00 - 500.00	70.00 - 300.00
APS Equivalent	1.5x: 225 - 750mm; 1.6x: 240 - 800mm	112 - 480mm
Brand	Sigma	Canon
Image Circle	35mm	35mm
Name	Sigma 150-500mm f/5-6.3 DG OS HSM APO	Canon EF 70-300mm ƒ/4-5.6L IS USM
Weight (g)	1910	1050
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	5.00 - 22.00	4.00 - 45.00
Diaphragm Blades	9	8
Diaphragm Blades Type	-	rounded
Lens Construction	21 elements in 15 groups, including 3 SLD elements	19 elements in 4 groups, including 2 UD elements
Zoom System	Rotary	Rotary
Diameter (mm)	94.7	89