Comparison of Olympus 12-60mm ƒ/2.8-4 SWD Zuiko Digital ED and Tokina 16-50mm f/2.8 AT-X 165 AF PRO DX

Attribute	Tokina 16-50mm f/2.8 AT-X 165 AF PRO DX ×	Olympus 12-60mm ƒ/2.8-4 SWD Zuiko Digital ED ×
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Diaphragm Blades Type	-	circular
Filter Size (mm)	77	72
Notes	Available AF Mounts: Canon, Nikon; Included Accessories: Lens Hood	Dust and drip proof. Includes Lens Hood (LH-75B) and Lens Case (LC-72B)
Focus Details	Internal with One-Touch Focus Clutch mechanism	-
Type	Standard Zoom	Standard Zoom
Diaphragm Blades	9	7
Diameter (mm)	84	79.5
Image Circle	APS-C	Image Circle
Focal Length (mm)	16.00 - 50.00	12.00 - 60.00
Brand	Tokina	Olympus
Name	Tokina 16-50mm f/2.8 AT-X 165 AF PRO DX	Olympus 12-60mm ƒ/2.8-4 SWD Zuiko Digital ED
Weight (g)	610	575
Diagonal Angle of View (degree)	31.00 - 82.00	20.00 - 84.00
Lens Construction	15 elements in 12 groups, including 1 SD element	14 elements in 10 groups, including 1 Super ED, 2 ED, 1 Aspherical ED and 2 Aspherical elements
Zoom System	Rotary	Rotary
Closest Focus (m)	0.3	0.25
35mm Equivalent	-	24 - 120mm
Length (mm)	97.4	98.5
APS Equivalent	1.5x: 24 - 75mm; 1.6x: 25.6 - 80mm	-
Magnification Ratio (x)	0.2	0.28