Tamron has made this lightweight, compact high power zoom lens available with the Di optical system with improved multi-coating for digital SLR cameras as well as film cameras, further enhancing its ease of use and popularity more info

Maintaining the high performance of the previous model, Tamron's new 28-300mm zoom lens now features Di design, making it the ideal lens for use with both digital and film cameras. The Di design is achieved by applying a new optical design to its coated surfaces, and by further enhancing Tamron's already stringent quality control system. Whether you shoot film or digital, the lens provides high image quality for both platforms. When used with APS-C size digital SLR cameras, the lens provides an angle of view equivalent to approximately 44-465mm, covering the standard to ultra telephoto range with no sacrifice of quality or aperture range.Type of zooming is rotation. more info

The Tamron AF18-250mm F/3.5-6.3 Di-II LD Aspherical (IF) lens is a great addition to any photographers camera bag. This extreme zoom lens has it all, it features aspherical elements for the ultimate in sharpness and contrast. With 13.9X zooming capabilities, this is it if you want only one lens to carry due to it's wide angle to extreme telephoto capabilities. Designed specifically for the APS sensors of todays digital cameras, this lens will deliver spectacular results. Includes a Built In Motor for fast accurate focusing. Backed with a 6 year warranty this also comes with a lens hood specifically designed to reduce glare, but not vignette your precious images. more info