Comparison of Canon RF 70-200mm f/2.8L IS USM and Tamron 70-200mm f/2.8 Di LD IF Macro SP AF

Attribute	Tamron 70-200mm f/2.8 Di LD IF Macro SP AF ×	Canon RF 70-200mm f/2.8L IS USM ×
Notes	Available mounts: Canon, Nikon, Pentax, Sony; Included accessories: Petal-shaped lens hood	Image stabilization with up to 5 stops of correction at 200mm; Dust and moisture resistant.
Magnification Ratio (x)	0.32	0.23
Filter Size (mm)	77	77
Length (mm)	194.3	146
Closest Focus (m)	0.95	0.7
Diagonal Angle of View (degree)	12.30 - 34.30	12.00 - 34.00
Focus Details	Internal Focusing; One-touch AF/MF Switchover mechanism (for Canon and Nikon only)	Internal; Dual Nano Ultrasonic Motor (USM) with full-time manual focus; Focus limit switch
Focal Length (mm)	70.00 - 200.00	70.00 - 200.00
APS Equivalent	1.5x: 105 - 300mm; 1.6x: 112 - 320mm	112 - 320mm
Brand	Tamron	Canon
Image Circle	35mm	35mm
Name	Tamron 70-200mm f/2.8 Di LD IF Macro SP AF	Canon RF 70-200mm f/2.8L IS USM
Weight (g)	1100	1070
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	2.80 - 32.00	2.80 - 32.00
Diaphragm Blades	9	9
Diaphragm Blades Type	-	rounded
Lens Construction	18 elements in 13 groups, including 3 LD (low dispersion) elements	17 elements in 13 groups, including 2* glass-molded aspherical, one super UD, 4* UD (One of which is UD Aspherical) elements; SWC coating
Zoom System	Rotary	Rotary
Diameter (mm)	89.5	89.9