Comparison of Sony 16-50mm ƒ/2.8 DT SSM SAL1650 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 ×	Sony 16-50mm ƒ/2.8 DT SSM SAL1650 ×
Notes	Available AF Mounts: Canon, Nikon; Included Accessories: Lens Hood	For Sony A-Mount. Dust and moisture resistant. Included Accessories: ALC-SH117 Petal-shaped bayonet hood, lens caps.
Magnification Ratio (x)	0.2	0.2
Filter Size (mm)	77	72
Length (mm)	97.4	88
Closest Focus (m)	0.3	0.3
Diagonal Angle of View (degree)	31.00 - 82.00	32.00 - 83.00
Focus Details	Internal with One-Touch Focus Clutch mechanism	SSM (Super-Sonic Motor), Internal
Focal Length (mm)	16.00 - 50.00	16.00 - 50.00
APS Equivalent	1.5x: 24 - 75mm; 1.6x: 25.6 - 80mm	24 - 75mm
Brand	Tokina	Sony
Image Circle	APS-C	Image Circle
Name	Tokina 16-50mm f/2.8 AT-X 165 AF PRO DX	Sony 16-50mm ƒ/2.8 DT SSM SAL1650
Weight (g)	610	577
Type	Standard Zoom	Standard Zoom
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Diaphragm Blades	9	7
Diaphragm Blades Type	-	rounded
Lens Construction	15 elements in 12 groups, including 1 SD element	16 elements in 13 groups
Zoom System	Rotary	Rotary
Diameter (mm)	84	81