This AF 18-200mm lens is designed exclusively for digital cameras with small sensors and has a built-in motor for perfect compatibility with D40, D40x, D60 and similar, . The wide to tele capabilities of this lens, which is equivalent to 28 - 300 mm in 3 In The Box The wide to ultra tele focal range of this lens will allow digital SLR camera owners to enjoy digital photography with comfort and convenience. Dedicated for Digital SLR Cameras By incorporating an optical design for exclusive use with digital (APS-C) SLR cameras, this high power zoom lens provides the focal length equivalent to Tamron's 28-300mm (when converted to a 35mm format). Therefore, you can meet almost all photographic opportunities with this single zoom lens without changing lenses. In addition, three hybrid aspherical lens elements and two LD (Low Dispersion) glass elements are used to accomplish effective compensation of on-axis and lateral chromatic aberrations, a critical factor to enhance the optical quality in digital photography. A