Comparison of Canon EF 70-200mm ƒ/2.8L USM and Tokina 80-200mm f/2.8 AT-X 828 AF PRO

Attribute	Canon EF 70-200mm ƒ/2.8L USM ×	Tokina 80-200mm f/2.8 AT-X 828 AF PRO ×
Magnification Ratio (x)	0.16	-
Filter Size (mm)	77	77
Focus Details	Inner focusing; full-time manual focus and USM	Rotating
Closest Focus (m)	1.5	1.8
Lens Construction	18 elements in 15 groups, including 4 UD elements	17 elements in 11 groups, including 1 SD element
Length (mm)	193.6	184
Focal Length (mm)	70.00 - 200.00	80.00 - 200.00
Zoom System	Rotary	Rotary
Brand	Canon	Tokina
Image Circle	35mm	35mm
Name	Canon EF 70-200mm ƒ/2.8L USM	Tokina 80-200mm f/2.8 AT-X 828 AF PRO
Weight (g)	1310	1350
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	2.80 - 32.00	2.80 - 32.00
APS Equivalent	112 - 320mm	1.5x: 120 - 300mm; 1.6x: 128 - 320mm
Diagonal Angle of View (degree)	12.00 - 34.00	12.30 - 30.30
Diaphragm Blades	8	-
Notes	-	Available AF Mounts: Canon, Minolta, Nikon, Pentax; Included Accessories: Lens Hood, Fitted Soft Case
Diameter (mm)	84.6	84