Comparison of Tamron 18-200mm f/3.5-6.3 Di II VC and Vivitar 28-210mm f/4.2-6.5 Series 1 AF

Attribute	Tamron 18-200mm f/3.5-6.3 Di II VC ×	Vivitar 28-210mm f/4.2-6.5 Series 1 AF ×
Notes	Available lens mounts: Canon EF-S, Nikon F (AF-S), Sony A. VC (Vibration Compensation) Image Stabilization for Canon and Nikon mounts.	Available AF mounts: Canon, Minolta, Nikon, Pentax
Magnification Ratio (x)	0.25	0.15
Filter Size (mm)	62	67
Length (mm)	96.6	99
Closest Focus (m)	0.49	0.5
Diagonal Angle of View (degree)	8.00 - 75.50	11.00 - 75.00
Focus Details	Internal; Newly designed autofocus drive module with optimal DC motor-gear train; AF/MF switch	AF/MF switch
Focal Length (mm)	18.00 - 200.00	28.00 - 200.00
APS Equivalent	1.5x: 27 - 300mm; 1.6x: 28.8 - 320mm	1.5x: 42 - 315mm; 1.6x: 44.8 - 336mm
Brand	Tamron	Vivitar
Image Circle	APS-C	35mm
Name	Tamron 18-200mm f/3.5-6.3 Di II VC	Vivitar 28-210mm f/4.2-6.5 Series 1 AF
Weight (g)	400	395
Type	Standard Zoom	Standard Zoom
Aperture (f)	3.50 - 40.00	4.20 - 22.00
Diaphragm Blades	7	-
Diaphragm Blades Type	rounded	-
Lens Construction	16 elements in 14 groups, including 1 LD (Low Dispersion) element	15 elements in 13 groups
Zoom System	Rotary (with zoom lock)	Push-Pull
Diameter (mm)	75	72