Comparison of Tamron AF 18-270mm ƒ/3.5-6.3 Di II VC PZD (Model B008) and Tamron AF 28-200mm f/3.8-5.6 XR Di Aspherical IF Macro

Attribute	Tamron AF 18-270mm ƒ/3.5-6.3 Di II VC PZD (Model B008) ×	Tamron AF 28-200mm f/3.8-5.6 XR Di Aspherical IF Macro ×
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, Minolta, Nikon, Pentax; Included Accessories: Lens Hood
Magnification Ratio (x)	0.26	0.25
Filter Size (mm)	62	62
Length (mm)	88	75.2
Closest Focus (m)	0.49	0.49
Diagonal Angle of View (degree)	5.90 - 75.50	12.40 - 75.40
Focus Details	Internal with Piezo Drive (PZD) ultrasonic motor	Internal
Focal Length (mm)	18.00 - 270.00	28.00 - 200.00
APS Equivalent	1.5x: 27 - 405mm; 1.6x: 28.8 - 432mm	1.5x: 42 - 300mm; 1.6x: 44.8 - 320mm
Brand	Tamron	Tamron
Image Circle	APS-C	35mm
Name	Tamron AF 18-270mm ƒ/3.5-6.3 Di II VC PZD (Model B008)	Tamron AF 28-200mm f/3.8-5.6 XR Di Aspherical IF Macro
Weight (g)	450	354
Type	Standard Zoom	Standard Zoom
Aperture (f)	3.50 - 40.00	3.80 - 22.00
Diaphragm Blades	7	7
Diaphragm Blades Type	rounded	-
Lens Construction	16 elements in 13 groups	15 elements in 14 groups, including aspherical and XR elements
Zoom System	Rotary	Rotary
Diameter (mm)	74.4	71