Comparison of Sony 70-300mm f/4.5-5.6G SSM II SAL70300G2 and Tamron 70-300mm ƒ/4-5.6 Di VC USD SP AF

Attribute	Tamron 70-300mm ƒ/4-5.6 Di VC USD SP AF ×	Sony 70-300mm f/4.5-5.6G SSM II SAL70300G2 ×
Notes	Image Stabilized. Available AF Mounts: Canon, Nikon, Sony; Included Accessories: Lens Hood	Dust and moisture resistant; Included Accessories: SH140 Petal Lens Hood, Soft Case
Magnification Ratio (x)	0.25	0.25
Filter Size (mm)	62	62
Length (mm)	142.2	135.5
Closest Focus (m)	1.5	1.2
Diagonal Angle of View (degree)	8.30 - 34.40	8.20 - 34.00
Focus Details	USD (Ultrasonic Silent Drive) with full-time manual override	Super Sonic wave Motor (SSM) with improved focus tracking; focus range limiter and focus hold
Focal Length (mm)	70.00 - 300.00	70.00 - 300.00
APS Equivalent	1.5x: 105 - 450mm; 1.6x: 112 - 480mm	105 - 450mm
Brand	Tamron	Sony
Image Circle	35mm	35mm
Name	Tamron 70-300mm ƒ/4-5.6 Di VC USD SP AF	Sony 70-300mm f/4.5-5.6G SSM II SAL70300G2
Weight (g)	765	750
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	4.00 - 45.00	4.50 - 29.00
Diaphragm Blades	9	9
Diaphragm Blades Type	-	circular
Lens Construction	17 elements in 12 groups, including an LD and an XLD (Extra Low Dispersion) element	16 elements in 11 groups, including 1 ED element, nano AR coating
Zoom System	Rotary	Rotary
Diameter (mm)	81.3	82.5