Comparison of Olympus 11-22mm f/2.8-3.5 Zuiko Digital and Tokina 12-24mm f/4 AT-X 124 AF PRO DX II

Attribute	Tokina 12-24mm f/4 AT-X 124 AF PRO DX II ×	Olympus 11-22mm f/2.8-3.5 Zuiko Digital ×
Notes	Available AF Mounts: Canon and Nikon Digital Only. Built-in AF motor for use with all Nikon DSLRs including Nikon D40, D40x, D60. Included Accessorie	Includes Lens Hood (LH-75) and Lens Case (LSC-0918); Compatible with TC-14 Teleconverter
Aperture (f)	4.00 - 22.00	2.80 - 22.00
Magnification Ratio (x)	0.125	0.13
Filter Size (mm)	77	72
Focus Details	Internal with One-Touch Focus Clutch mechanism; DC AF motor	-
Type	Wide Zoom	Wide Zoom
Diaphragm Blades	9	7
Diameter (mm)	84	75
Image Circle	APS-C	Image Circle
Focal Length (mm)	12.00 - 24.00	11.00 - 22.00
Brand	Tokina	Olympus
Name	Tokina 12-24mm f/4 AT-X 124 AF PRO DX II	Olympus 11-22mm f/2.8-3.5 Zuiko Digital
Weight (g)	540	485
Diagonal Angle of View (degree)	61.00 - 99.00	53.00 - 89.00
Lens Construction	13 elements in 11 groups, including 2 aspherical elements	12 elements in 10 groups, including 2 aspherical elements
Zoom System	Rotary	Rotary
Front Element Rotation	-	-
35mm Equivalent	-	22 - 44mm
Length (mm)	89.5	92.5
APS Equivalent	1.5x: 18-36mm;1.6x: 19.2-38.4mm	-
Closest Focus (m)	0.3	0.28