Di II: Lenses are designed for exclusive use on digital cameras with smaller-size imagers and inherit all of the benefits of Tamron's Di products. These lenses are not designed for 35mm film cameras and digital cameras with image sensors larger than 24mm x 16mm.

The 18-200mm (28-300 when converted to 35mm) provides the digital photographer with the versatility of a true wide to ultra tele zoom in an amazingly easy to use design.

Tamron produces high performance, quality specification lenses utilizing the latest optical theory and technology. Tamron's high magnification zoom lenses, which are said to be particularly challenging technically, have received critical acclaim internationally for their innovative technology and have been selected for many prestigious awards. Tamron's technical excellence has also been recognized worldwide for macro lenses, wide angle lenses and telephoto lenses.

Designed for exclusive use on Pentax digital SLR cameras with smaller-size imagers, this Tamron AF 18-200mm f/3.5-6.3 Di-II aspherical macro zoom lens is ideal for a host of situations. The high-power zoom lens--which offers an equivalent focal length of 28-300mm in 35mm format--adds versatility to your lens menu, zooming from a true wide perspective to an ultra tele zoom, all in an amazingly easy-to-use design. As a result, the lens is ideal for everything from landscape shots to sports and wildlife photography. The lens also incorporates several of Tamron's proprietary core technologies, including aspherical elements that minimize chromatic aberration, a multiple cam mechanism, and an integrated focus cam design. The technologies combine to create the world's lightest, most compact 11.1x digital zoom lens. Other features include an angle of view of 75 to 7 degrees, a minimum focusing distance of 17.7 inches, and a 62mm filter diameter. All Tamron lenses carry a six-year warranty.

Note: The Tamron AF 18-200mm f/3.5-6.3 XR Di-II zoom lens is not designed for conventional cameras or digital cameras with image sensors larger than 24mm x 16mm.

Specifications

• Focal length: 18-200mm
• Maximum aperture: f/3.5-6.3
• Lens construction: 15 elements in 13 groups
• Angle of view: 75 to 7 degrees
• Type of zooming: Rotation
• Diaphragm blades: 7
• Minimum aperture: f/22
• Minimum focusing distance: 17.7 inches
• Macro magnification ratio: 1:3.7 (at f=200mm)
• Filter size: 62mm
• Corresponding mounts: Pentax
• Lens hood: Yes, flower shaped
• Dimensions: 2.9 inches in diameter and 3.3 inches long
• Weight: 14 ounces
• Warranty: 6 years