Comparison of Sony 70-300mm f/4.5-5.6G SSM SAL-70300G and Tamron 70-300mm ƒ/4-5.6 Di VC USD SP AF

Attribute	Sony 70-300mm f/4.5-5.6G SSM SAL-70300G ×	Tamron 70-300mm ƒ/4-5.6 Di VC USD SP AF ×
Notes	Included Accessories: SH0010 Petal Lens Hood	Image Stabilized. Available AF Mounts: Canon, Nikon, Sony; Included Accessories: Lens Hood
Magnification Ratio (x)	0.25	0.25
Filter Size (mm)	62	62
Length (mm)	135.5	142.2
Closest Focus (m)	1.2	1.5
Diagonal Angle of View (degree)	8.20 - 34.00	8.30 - 34.40
Focus Details	Super Sonic wave Motor (SSM), with focus range limiter and focus hold	USD (Ultrasonic Silent Drive) with full-time manual override
Focal Length (mm)	70.00 - 300.00	70.00 - 300.00
APS Equivalent	105 - 450mm	1.5x: 105 - 450mm; 1.6x: 112 - 480mm
Brand	Sony	Tamron
Image Circle	35mm	35mm
Name	Sony 70-300mm f/4.5-5.6G SSM SAL-70300G	Tamron 70-300mm ƒ/4-5.6 Di VC USD SP AF
Weight (g)	800	765
Type	Telephoto Zoom	Telephoto Zoom
Aperture (f)	4.50 - 32.00	4.00 - 45.00
Diaphragm Blades	9	9
Diaphragm Blades Type	circular	-
Lens Construction	16 elements in 11 groups, including extra-low dispersion glass	17 elements in 12 groups, including an LD and an XLD (Extra Low Dispersion) element
Zoom System	Rotary	Rotary
Diameter (mm)	82.5	81.3