Comparison of Tamron AF 18-250mm f/3.5-6.3 Di II LD Aspherical IF Macro and Tamron AF 18-270mm ƒ/3.5-6.3 Di II VC PZD (Model B008)

Attribute	Tamron AF 18-270mm ƒ/3.5-6.3 Di II VC PZD (Model B008) ×	Tamron AF 18-250mm f/3.5-6.3 Di II LD Aspherical IF Macro ×
Aperture (f)	3.50 - 40.00	3.50 - 22.00
Filter Size (mm)	62	62
Notes	New VC mechanism (Image Stabilization). Available AF Mounts: Canon EF-S, Nikon F, Sony A. Included Accessories: Flower-shaped Lens Hood.	Available AF Mounts: Canon, Nikon, Pentax, Sony; Included Accessories: Lens Hood
Closest Focus (m)	0.49	0.45
Magnification Ratio (x)	0.26	0.29
Diameter (mm)	74.4	74.4
Type	Standard Zoom	Standard Zoom
APS Equivalent	1.5x: 27 - 405mm; 1.6x: 28.8 - 432mm	1.5x: 27 - 375mm; 1.6x: 28.8 - 400mm
Diaphragm Blades	7	7
Image Circle	APS-C	APS-C
Focal Length (mm)	18.00 - 270.00	18.00 - 250.00
Brand	Tamron	Tamron
Name	Tamron AF 18-270mm ƒ/3.5-6.3 Di II VC PZD (Model B008)	Tamron AF 18-250mm f/3.5-6.3 Di II LD Aspherical IF Macro
Weight (g)	450	430
Diagonal Angle of View (degree)	5.90 - 75.50	6.40 - 75.60
Lens Construction	16 elements in 13 groups	16 elements in 13 groups, including 1 LD (Low Dispersion), 1 AD (Anomalous Dispersion) and 2 aspherical elements
Zoom System	Rotary	Rotary
Length (mm)	88	84.3
Diaphragm Blades Type	rounded	-
Focus Details	Internal with Piezo Drive (PZD) ultrasonic motor	Internal