Comparison of Nikon 18-300mm f/3.5-6.3G ED AF-S DX VR Nikkor and Tamron AF 18-250mm f/3.5-6.3 Di II LD Aspherical IF Macro

Attribute	Nikon 18-300mm f/3.5-6.3G ED AF-S DX VR Nikkor ×	Tamron AF 18-250mm f/3.5-6.3 Di II LD Aspherical IF Macro ×
Notes	VR (Vibration Reduction) minimizes camera shake by offering a shutter speed equivalent to 4 stops faster	Available AF Mounts: Canon, Nikon, Pentax, Sony; Included Accessories: Lens Hood
Magnification Ratio (x)	0.32	0.29
Filter Size (mm)	67	62
Length (mm)	99	84.3
Closest Focus (m)	0.48	0.45
Diagonal Angle of View (degree)	5.30 - 76.00	6.40 - 75.60
Focus Details	Internal; AF-S "Silent Wave" motor with full-time manual focus override feature (M/A Switch)	Internal
Focal Length (mm)	18.00 - 300.00	18.00 - 250.00
APS Equivalent	27 - 450mm	1.5x: 27 - 375mm; 1.6x: 28.8 - 400mm
Brand	Nikon	Tamron
Image Circle	APS-C	APS-C
Name	Nikon 18-300mm f/3.5-6.3G ED AF-S DX VR Nikkor	Tamron AF 18-250mm f/3.5-6.3 Di II LD Aspherical IF Macro
Weight (g)	550	430
Type	Standard Zoom	Standard Zoom
Aperture (f)	3.50 - 40.00	3.50 - 22.00
Diaphragm Blades	7	7
Diaphragm Blades Type	rounded	-
Lens Construction	16 elements in 12 groups; including 3 ED and 3 aspherical elements	16 elements in 13 groups, including 1 LD (Low Dispersion), 1 AD (Anomalous Dispersion) and 2 aspherical elements
Zoom System	Rotary	Rotary
Diameter (mm)	78.5	74.4