Legendary Tamron constant f/2.8 standard zoom for Nikon DX, the single best-value lens upgrade from any kit zoom.
The Tamron SP AF 17-50mm f/2.8 XR Di II is one of the most acclaimed third-party standard zooms ever produced, offering constant f/2.8 brightness across a versatile 25.5-75mm equivalent range for Nikon APS-C cameras. The fast constant aperture provides professional-level capability at a fraction of Nikon's own f/2.8 zoom pricing.
The constant f/2.8 aperture delivers excellent low-light performance, consistent depth of field, and bright viewfinder across the entire zoom range. The XR (Extra Refractive) glass element keeps the lens compact despite the fast aperture, and the optical quality delivers sharp results that regularly impress reviewers.
Build quality is solid Tamron SP with quality construction that justifies the Super Performance designation. The lens handles well on Nikon DX bodies, and the compact dimensions belie the fast f/2.8 specification. The internal autofocus motor provides focusing on all Nikon bodies.
The Tamron 17-50mm f/2.8 is one of the best-value lenses on the entire used market, offering constant f/2.8 zoom performance that dramatically outperforms any kit lens at prices barely above kit lens territory. For Nikon DX shooters, it is the single most impactful upgrade from a standard kit zoom.