The Tamron AF 18-250mm f/3.5-6.3 Di-II LD Aspherical IF Macro Lens is a lightweight, compact and ultra high power zoom lens designed exclusively for digital SLR cameras with APS-C sized imager sensors. The focal length of this lens is equivalent to approx. 27-375mm in 35mm format. This lens offers an extreme zoom ratio of 13.9X, and is designed as the everyday "all-in-one" lens for digital SLR cameras, covering wideangle to long telephoto.
This updated version now incorporates motor built-in to the lens itself, which gives this lens the capability to auto focus with all Nikon DSLR cameras (including the D40 and D40x). In addition, as a result, focusing will be quieter and more responsive.
The lens uses an optical system specially designed for digital SLR cameras. This resulted in the sufficient compensation of aberrations, including ast