Comparison of Sony FE 24-70mm f/2.8 GM SEL2470GM and Tamron SP 24-70mm ƒ/2.8 Di VC USD (Model A007)

Attribute	Sony FE 24-70mm f/2.8 GM SEL2470GM ×	Tamron SP 24-70mm ƒ/2.8 Di VC USD (Model A007) ×
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Filter Size (mm)	82	82
Notes	Dust and moisture resistant; Included Accessories: Hood (ALC-SH141), Lens front cap (ALC-F82S), Lens rear cap (ALC-R1EM), Case	VC image stabilization. Available mounts: Canon, Nikon, Sony. Includes petal type lens hood.
Closest Focus (m)	0.38	0.38
Magnification Ratio (x)	0.24	0.2
Zoom System	Rotary with zoom lock	Rotary
Type	Standard Zoom	Standard Zoom
APS Equivalent	36 - 105mm	1.5x: 36 - 105mm; 1.6x: 38.4 - 112mm
Diaphragm Blades	9	9
Image Circle	35mm (Full-frame E-Mount)	Image Circle
Focal Length (mm)	24.00 - 70.00	24.00 - 70.00
Brand	Sony	Tamron
Name	Sony FE 24-70mm f/2.8 GM SEL2470GM	Tamron SP 24-70mm ƒ/2.8 Di VC USD (Model A007)
Weight (g)	886	825
Diaphragm Blades Type	rounded	rounded
Lens Construction	18 elements in 13 groups, including 1 ED (Extra-low-Dispersion), 1 Super ED, and 1 XA (eXtreme Aspherical) elements; Nano AR Coating	17 elements in 12 groups, including 3 LD, 3 glass-molded aspherical, 1 hybrid aspherical and 2 XR (Extra Refractive Index) elements
Diagonal Angle of View (degree)	34.00 - 84.00	34.30 - 84.00
Length (mm)	136	116.9
Diameter (mm)	87.6	88.2
Focus Details	Direct Drive Super Sonic wave Motor (DDSSM) system with AF/MF switch	Internal with USD (Ultrasonic Silent Drive), continuous manual mechanism