TAMRON AF09NII700 28-75mm f/2.8 XR Di LD Aspherical (IF) Autofocus Lens for Nikon SLR Type: Zoom Lens Format: Nikon FX/35mm Film, Nikon DX Focal Length: 28 - 75 mm Camera Mount: Nikon F Aperture: Maximum: f/2.8 Minimum: f/32 Compatibility: Nikon SLR Diameter: 67mm Focus Type: Auto Focus

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This ground-breaking high-speed mid-range zoom is prized by pros and serious shooters for its fast F/2.8 constant aperture, evenness of illumination, and its outstanding imaging performance, and by all photographers for its compact size and reasonable weight that make it feel like an ordinary standard zoom. These admirable characteristics have been achieved by the use of special XR and LD glass, the efficient use of aspherical elements, and non-rotating internal-focus (IF) design.

This Tamron 28-75mm f/2.8 XR Di Lens incorporates a motor built into the lens itself, which gives it the capability to autofocus with all Nikon DSLR cameras (including the D40 and D40x). In addition, with the motor built into the lens, focusing will be quieter and more responsive.

This 28-75mm f/2.8 XR Di lens has a built-in motor in the lens itself which gives it the capability to AF with all Nikon DSLR cameras (including the D40 and D40x). With the motor built into the lens, focusing will be quieter and more responsive The Tamron SP designation is reserved for lenses developed with special emphasis on extraordinary photographic performance Fast and constant F2.8 maximum aperture optics, its speed benefits photographers in several ways, including the ability to render cluttered backgrounds well out of focus, added low light shooting freedom and a brighter viewfinder image Featuring XR (Extra Refractive Index) and LD (Low Dispersion) glass in an optical formula employing 16 elements and 14 groups, assuring sharpness, optimal contrast and color accuracy, rendering striking images Diaphragm blades: 7 Sophisticated aspherical element design and internal focus contribute to barrel size that belies a typically large F2.8 optic Aperture: Maximum: f/2.8 and Minimum: f/32.0 With both an ideal picture angle range, fast aperture and outstanding optical properties, its no wonder that so many SP 28-75mm F/2.8 lenses can be found in the bags of noted wedding and corporate shooters (ASL) several hybrid aspherical elements provide the ultimate in image quality and compactness Internal Focusing (IF) system Minimum focus distance is 13-inch or 1.08 feet (entire zoom range) A maximum magnification ration of 1:3.9 (at 75mm) NO image stabilization or tripod collar Filter thread: 67mm Zoom wide angle telephoto Tamron Di designed for digital SLR cameras With built-in motor Compatibility: For Nikon SLR Camera mount type: Nikon F Format compatibility: Nikon FX / 35mm film / Nikon DX