[Dabhand16]

Tamron Announces the Launch of Digitally Integrated Telephoto Macro Zoom,
SP AF17-50mm F/2.8 XR Di II LD Aspherical [IF] (Model A16NII)
with Built-In Motor for Nikon Lightweight, Compact, Fast 2.8 Standard Zoom Lens Designed for Exclusive Use with Digital SLR Cameras (APS-C Size)*

SP AF17-50mm F/2.8 XR Di II is fast standard zoom lens, covering easy-to-use focal length range equivalent to 26-78mm** when converted to the 35mm format. With a fast F/2.8, it delivers faster shutter speeds and a natural soft-focus effect that makes your photography even more sophisticated.

* Di (Digitally integrated)-II lenses are designed for exclusive use on digital cameras with smaller-size imagers. This lens is not designed for use with 35mm film cameras or digital SLR cameras with image sensors larger than 24mm x 16mm.
(**) Tamron's conversion value is 1.55x.

SPECIFICATIONS
Model Name A16N II
Focal Length 17-50mm
Maximum Aperture F/2.8
Angle of View 78°45'-31°11' (APS-C size equivalent)
Lens Construction 16 elements in 13 groups
Minimum Focus Distance 0.27m (Over the entire zoom range)
Maximum Mag. Ratio 1:4.5 (at f=50mm MFD 0.27m)
Filter Diameter φ67mm
Overall Length 84.2mm
Maximum Diameter φ73.8mm
Weight 440g
Diaphragm Blades 7 blades (Circular apertures)
Minimum Aperture F/32
Standard Accessory Flower-shaped Lens Hood
* The cosmetic design and specs are subject to change without notice.

Tamron