The Tamron SP 70-210 mm f/ 3.5-4 Adaptall-2 model 52A is a telephoto zoom lens for the universal Tamron Adaptall-2 system.
The body is made of metal. The lens is equipped with a built-in hood, a separate zoom ring and the aperture ring with half-stops (from f/3.5 to f/16). Macro scale 1:2 (1:1 with a 2x converter).
The SP (Super Performance) series comprises the lenses, complying with designers' highest requirements. The main feature of the SP series is its excellent specifications. Among Tamron products SP lenses are remarkable for their impressive innovative design.