Comparison of Nikon 14-24mm f/2.8G IF-ED AF-S Nikkor and Tokina 16-28mm f/2.8 FF Opera

Attribute	Nikon 14-24mm f/2.8G IF-ED AF-S Nikkor ×	Tokina 16-28mm f/2.8 FF Opera ×
Magnification Ratio (x)	0.15	0.19
Notes	Integrated hood. Included Accessories: Semi-soft Case CL-M3	Available AF Mounts: Canon EF, Nikon F; Included Accessories: lens cap, fixed petal type hood.
Focus Details	Silent Wave Motor; Internal Focusing	Internal with SD-M (Silent Drive Module) DC motor; One-Touch Focus Clutch Mechanism
Closest Focus (m)	0.28	0.28
Lens Construction	14 elements in 11 groups, including 2 ED, 3 aspherical, and one Nano Crystal Coat element	15 elements in 13 groups, including 3 SD and 3 aspherical elements
Length (mm)	131.5	133.5
Focal Length (mm)	14.00 - 24.00	16.00 - 28.00
Diagonal Angle of View (degree)	84.00 - 114.00	76.90 - 107.10
Brand	Nikon	Tokina
Image Circle	35mm	35mm
Name	Nikon 14-24mm f/2.8G IF-ED AF-S Nikkor	Tokina 16-28mm f/2.8 FF Opera
Weight (g)	1000	940
Type	Wide Zoom	Wide Zoom
Aperture (f)	2.80 - 22.00	2.80 - 22.00
APS Equivalent	21 - 36mm	1.5x: 24 - 42mm; 1.6x: 25.6 - 44.8mm
Diaphragm Blades Type	rounded	-
Diaphragm Blades	9	9
Zoom System	Rotary	Rotary
Diameter (mm)	98	89