Comparison of Canon EF 85mm f/1.8 USM and Tokina 100mm f/2.8 ATX-i FF Macro

Attribute	Tokina 100mm f/2.8 ATX-i FF Macro ×	Canon EF 85mm f/1.8 USM ×
Diagonal Angle of View (degree)	24.50	28.50
Filter Size (mm)	55	58
Aperture (f)	2.80 - 32.00	1.80 - 22.00
Closest Focus (m)	0.3	0.85
Magnification Ratio (x)	1	0.13
Type	Telephoto Prime Macro	Telephoto Prime
Focus Details	Extending barrel with Focus Clutch mechanism and Focus Limiter	Inner focusing; full-time manual focus and USM
APS Equivalent	1.5x: 150mm; 1.6x: 160mm	136mm
Diaphragm Blades	9	8
Image Circle	35mm	35mm
Focal Length (mm)	100.00	85.00
Brand	Tokina	Canon
Name	Tokina 100mm f/2.8 ATX-i FF Macro	Canon EF 85mm f/1.8 USM
Weight (g)	490	425
Diameter (mm)	73	75
Length (mm)	95.1	71
Notes	Available AF Mounts: Canon EF Nikon F; Included Accessories: BH-551 Lens Hood	-
Lens Construction	9 elements in 8 groups	9 elements in 7 groups, including 2 aspherical elements