Comparison of Canon EF 24-70mm ƒ/2.8L II USM and Tamron SP 24-70mm ƒ/2.8 Di VC USD (Model A007)

Attribute	Canon EF 24-70mm ƒ/2.8L II USM ×	Tamron SP 24-70mm ƒ/2.8 Di VC USD (Model A007) ×
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Filter Size (mm)	82	82
Notes	Weather sealing protects against dust and moisture, while a fluorine-coated front and rear elements are easy to clean.	VC image stabilization. Available mounts: Canon, Nikon, Sony. Includes petal type lens hood.
Closest Focus (m)	0.38	0.38
Magnification Ratio (x)	0.21	0.2
Zoom System	Rotating, with zoom lock lever	Rotary
Type	Standard Zoom	Standard Zoom
APS Equivalent	38 - 112mm	1.5x: 36 - 105mm; 1.6x: 38.4 - 112mm
Diaphragm Blades	9	9
Image Circle	35mm	Image Circle
Focal Length (mm)	24.00 - 70.00	24.00 - 70.00
Brand	Canon	Tamron
Name	Canon EF 24-70mm ƒ/2.8L II USM	Tamron SP 24-70mm ƒ/2.8 Di VC USD (Model A007)
Weight (g)	805	825
Diaphragm Blades Type	rounded	rounded
Lens Construction	18 elements in 13 groups, including 1 Super UD and 2 UD elements	17 elements in 12 groups, including 3 LD, 3 glass-molded aspherical, 1 hybrid aspherical and 2 XR (Extra Refractive Index) elements
Diagonal Angle of View (degree)	34.00 - 84.00	34.30 - 84.00
Length (mm)	113	116.9
Diameter (mm)	88.5	88.2
Focus Details	Inner focusing; full-time manual focus and USM	Internal with USD (Ultrasonic Silent Drive), continuous manual mechanism