Comparison of Nikon 18-200mm ƒ/3.5-5.6G IF-ED AF-S DX VR II Nikkor and Tamron 28-200mm F/2.8-5.6 Di III RXD (Model A071)

Attribute	Nikon 18-200mm ƒ/3.5-5.6G IF-ED AF-S DX VR II Nikkor ×	Tamron 28-200mm F/2.8-5.6 Di III RXD (Model A071) ×
Aperture (f)	3.50 - 36.00	2.80 - 22.00
Filter Size (mm)	72	67
Notes	Image Stabilization; Included Accessories: Bayonet hood, Soft lens pouch	Available mounts: Sony E-mount; Moisture-Resistant Construction.
Closest Focus (m)	0.5	0.19
Magnification Ratio (x)	0.22	0.32
Zoom System	Rotary	Rotary (with Zoom Lock)
Type	Standard Zoom	Standard Zoom
APS Equivalent	27 - 300mm	1.5x: 42 - 300mm
Diaphragm Blades	7	7
Image Circle	APS-C	35mm (Full-frame E-Mount)
Focal Length (mm)	18.00 - 200.00	28.00 - 200.00
Brand	Nikon	Tamron
Name	Nikon 18-200mm ƒ/3.5-5.6G IF-ED AF-S DX VR II Nikkor	Tamron 28-200mm F/2.8-5.6 Di III RXD (Model A071)
Weight (g)	565	575.5
Diaphragm Blades Type	rounded	circular
Lens Construction	16 elements in 12 groups, including 3 aspherical and 2 ED elements	18 elements in 14 groups, including GM (Glass Molded Aspherical), hybrid aspherical, XLD (eXtra Low Dispersion) and LD (Low Dispersion) lens elements
Diagonal Angle of View (degree)	8.00 - 76.00	12.35 - 75.38
Length (mm)	96.5	116.8
Diameter (mm)	77	74
Focus Details	Internal; AF-S "Silent Wave" motor with full-time manual focus override feature	Internal using RXD (Rapid eXtra-silent stepping Drive) autofocus motor