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(VC) mechanism. This lens is ultra-compact and light-weight, with a constant minimum focus distance of 1.6' (0.5 m) and a high maximum magnification of 1:3. The remarkable achievements are brought about through XR (extra refractive index) glass and efficient use of aspherical lenses. The ideal "all-in-one" zoom lens, for indoor and outdoor use. The VC mechanism, developed by Tamron, features a triaxial configuration using three pairs of driving coils and slide balls around the compensator group of the lens' optical system. Since the compensator lenses are supported with rolling friction of the balls, the response performance is enhanced and the construction is simple, which results in the compactness of the lens. As a result, dimensional increases are confined to a mere 0.7" (17.8mm) in overall length and about 5mm in diameter.Di (Digitally Integrated) design is the designation that Tamron uses for lenses that feature the improved optical design that meets the performance characteristics of digital SLR cameras, as well as film cameras. When used with APS-C size (standard) digital SLR cameras, the lens provides an angle of view equivalent to approximately 43-465mm, covering the standard to ultra telephoto range with no sacrifice of quality or aperture range.

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film and digital photography. It features Di (Digitally Integrated Design), making it the ideal lens for use with both digital and film cameras. Whether you shoot film or digital, the lens provides high image quality for both platforms. It offers optical power distribution in a compact package through the innovative use of XR (Extra Refractive Index) glass, resulting in minimum aberration. With a short barrel, it provides for a more compact overall lens design while maintaining aperture values. Camera shake can ruin your photos, particularly at telephoto or in low light. With incorporated Vibration Compensation mechanism get blur-free hand-held images for incredible results!

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1:3 Macro Magnification Ratio/ Zoom Lock Mechanism/ Ultra-High Zoom Power/ Compatible With Canon EOS Digital Cameras

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Vibration Compensation mechanism incorporated into the award winning 28-300mm Zoom gives you blur-free hand-held images for incredible results. Angle of View: 75?23'-8?15' (APS-C size equivalent) Type of Zooming: Rotation Diaphragm Blade Number: 9 Minimum Aperture: F/22 - F/40 (28mm-300mm) Minimum Focus Distance: 19.3"(0.49m) (entire zoom range) Macro Magnification Ratio: 1:3 at f=300mm, MFD=0.49m Filter Diameter: 67mm Flower-shaped Lens hood Diameter 3.06" x Length 3.9" (78 x 99mm) Weight: 555 grams (19.4 ounces)

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Vibration Compensation mechanism incorporated into the award winning 28-300mm zoom gives you blur-free hand-held images for incredible results. Macro Magnification Ratio - 1 - 3 at f=300mm, MFD=0.49m Filter Diameter - 67mm Flower-shaped Lens hood Diameter 3.06 x Length 3.9 (78 x 99mm) Weight - 555 grams (19.4 ounces)

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Camera shake can ruin your photos particularly at telephoto or in low light. Tamron's state-of-the-art Vibration Compensation mechanism incorporated into the award-winning 28-300mm zoom gives you blur-free hand-held images for incredible results! Finally the technology you need in the lens you want.