Comparison of Canon 14mm f/2.8L II USM and Tokina 16-28mm f/2.8 FF Opera

Attribute	Tokina 16-28mm f/2.8 FF Opera ×	Canon 14mm f/2.8L II USM ×
Diagonal Angle of View (degree)	76.90 - 107.10	114.00
Notes	Available AF Mounts: Canon EF, Nikon F; Included Accessories: lens cap, fixed petal type hood.	Built-in Lens Hood
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Closest Focus (m)	0.28	0.2
Magnification Ratio (x)	0.19	0.15
Type	Wide Zoom	Wide Prime
Focus Details	Internal with SD-M (Silent Drive Module) DC motor; One-Touch Focus Clutch Mechanism	Internal focus; USM with full-time manual override
APS Equivalent	1.5x: 24 - 42mm; 1.6x: 25.6 - 44.8mm	22.4mm
Diaphragm Blades	9	6
Image Circle	35mm	35mm
Focal Length (mm)	16.00 - 28.00	14.00
Brand	Tokina	Canon
Name	Tokina 16-28mm f/2.8 FF Opera	Canon 14mm f/2.8L II USM
Weight (g)	940	645
Diameter (mm)	89	80
Length (mm)	133.5	94
Zoom System	Rotary	-
Lens Construction	15 elements in 13 groups, including 3 SD and 3 aspherical elements	14 elements in 11 groups, including aspherical and UD elements