Tamron's AF18-200mm F3.5-6.3 XR Di-II LD IF was announced in February 2005 as an all-round 11.1x zoom lens. Featuring coverage from wide-angle to decent telephoto, it's ideal for a wide variety of situations – and for some photographers be the only lens they'll ever need.
Highly versatile 11.1x zoom range; Great value; Relatively small and light - great travel lens; Polariser-friendly internal focusing
Sigma version very similar; Pricier Nikkor version has anti-shake; Pricier Nikkor version is optically faster; Pricier Nikkor version has better build quality