Tamron 18-200mm (Not the Best, but Affordable Zoom Lens)
Tamron NEX 18-200mm F/3.5-6.3 review
getitdigital review: Tamron AF18-270mm/3.5-6.3 Di II VC LD Aspherical (IF) Macro vs. Nikon AF-S DX NIKKOR 18-200mm f/3.5-5.6G ED VR II | Getitdigital's Blog
Tamron 18-200mm f/3.5-6.3 Di II VC Review | ePHOTOzine