The Tamron B005 is a compact and effective 17-50 mm f/2.8 lens. This Tamron Lens for Nikon is a wide-angle zoom lens compatible with Nikon DSLR cameras. It features a manual focus with a minimum distance of 29 cm and a focal length of 17 mm to 50 mm. Thus photographers can capture images from a moderate distance away and also focus up close. In addition, the Tamron B005 accepts filters with a size of 72 mm. This Tamron lens for Nikon provides images enhanced by shallow depth-of-field and natural transitions in difficult to focus areas. The view angle is 31.18 degrees to 78.75 degrees. The construction of this lens includes vibration compensation, Tamron's proprietary tri-axial image stabilization system, three compound aspheric elements BBAR coating, and LD glass. Therefore, this 17-50 mm f/2.8 lens prevents flare and ghosting while still maintaining strong colour fidelity. The length of this Tamron lens for Nikon is 9.45 cm and the diameter is 7.96 cm. This lens weighs 570 g.