Tamron has announced the AF18-250mm F/3.5-6.3 Di-II LD Aspherical (IF) Macro, a lightweight, compact and ultra high power zoom lens designed exclusively for digital SLR cameras with APS-C sized image sensors with a Built-In Motor for Nikon (Model A18N II). The AF18-250mm F/3.5-6.3 Di-II LD Aspherical (IF) Macro boasts the world’s greatest zoom ratio of 13.9X. Read the whole article here