Comparison of Sony 16-50mm ƒ/2.8 DT SSM SAL1650 and Tamron SP AF 17-50mm ƒ/2.8 XR Di II VC LD Aspherical IF

Attribute	Sony 16-50mm ƒ/2.8 DT SSM SAL1650 ×	Tamron SP AF 17-50mm ƒ/2.8 XR Di II VC LD Aspherical IF ×
Aperture (f)	2.80 - 22.00	2.80 - 32.00
Filter Size (mm)	72	72
Notes	For Sony A-Mount. Dust and moisture resistant. Included Accessories: ALC-SH117 Petal-shaped bayonet hood, lens caps.	Vibration Compensation (VC) Image Stabilization; Available AF mounts: Canon, Nikon; Includes petal type lens hood.
Closest Focus (m)	0.3	0.29
Magnification Ratio (x)	0.2	0.21
Zoom System	Rotary	Rotary
Type	Standard Zoom	Standard Zoom
APS Equivalent	24 - 75mm	1.5x: 25.5 - 75mm; 1.6x: 27.2 - 80mm
Diaphragm Blades	7	7
Image Circle	Image Circle	Image Circle
Focal Length (mm)	16.00 - 50.00	17.00 - 50.00
Brand	Sony	Tamron
Name	Sony 16-50mm ƒ/2.8 DT SSM SAL1650	Tamron SP AF 17-50mm ƒ/2.8 XR Di II VC LD Aspherical IF
Weight (g)	577	570
Diaphragm Blades Type	rounded	rounded
Lens Construction	16 elements in 13 groups	19 elements in 14 groups, including Low Dispersion and Aspherical elements
Diagonal Angle of View (degree)	32.00 - 83.00	31.20 - 78.80
Length (mm)	88	94.5
Diameter (mm)	81	79.6
Focus Details	SSM (Super-Sonic Motor), Internal	Internal, with built-in focus motor