Maintaining the high performance of the previous model, this 28-300mm zoom lens now features Tamron's ''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. 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 equival