Comparison of Tamron SP 24-70mm f/2.8 Di VC USD G2 (Model A032) and Tokina 24-70mm f/2.8 AT-X PRO FX SD

Attribute	Tokina 24-70mm f/2.8 AT-X PRO FX SD ×	Tamron SP 24-70mm f/2.8 Di VC USD G2 (Model A032) ×
Filter Size (mm)	82	82
Notes	Available AF Mounts: Canon EF, Nikon F	VC image stabilization (up to 5 stops); Moisture-resistant construction; Available mounts: Canon EF, Nikon F; Includes locking petal type lens hood
Length (mm)	107.5	111
Magnification Ratio (x)	0.21	0.2
Diameter (mm)	89.6	88.4
Closest Focus (m)	0.38	0.38
Focal Length (mm)	24.00 - 70.00	24.00 - 70.00
Diagonal Angle of View (degree)	34.49 - 84.20	34.30 - 84.00
Brand	Tokina	Tamron
Image Circle	35mm	Image Circle
Name	Tokina 24-70mm f/2.8 AT-X PRO FX SD	Tamron SP 24-70mm f/2.8 Di VC USD G2 (Model A032)
Weight (g)	1010	905
Type	Standard Zoom	Standard Zoom
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Diaphragm Blades	9	9
Diaphragm Blades Type	-	rounded
Lens Construction	15 elements in 11 groups, including 3 all-glass molded aspherical and 3 super low dispersion (SD) glass elements	17 elements in 12 groups, including 2 XR (Extra Refractive Index), 3 LD (Low Dispersion), 3 GM (Glass-Molded aspherical) and 1 hybrid aspherical lens
Zoom System	Rotary	Rotary
Focus Details	SDM; Internal with Focus Clutch mechanism	Internal with USD (Ultrasonic Silent Drive), continuous manual mechanism; High performance MPU
APS Equivalent	1.5x: 36 - 105mm; 1.6x: 38.4 - 112mm	-
35mm Equivalent	-	1.5x: 36 - 105mm; 1.6x: 38.4 - 112mm