Tamron SP AF70-200mm F/2.8 Di LD [IF] Macro For Nikon USA Warranty With Lexar 64GB Professional 633x SDXC Class 10 UHS-I/U3 Memory Card Up to 95 Mb/s TAMRON AUTHORIZED DEALER With FULL Warranty INCLUDES BONUS Sandisk 64GB Extreme SD Memory UHS-I Card w/ 90/60MB/s Read/Write ALSO INCLUDES Front Lens Cap, Rear Lens Cap, Flower-Shaped Lens Hood, Lens Case, 6-Year Tamron USA Warranty 70-200mm FOCAL LENGTH. 105-300mm EQUIVALENT FOCAL LENGTH on APS-C cameras. 112-320mm EQUIVALENT FOCAL LENGTH on Canon APS-C cameras. F2.8 CONSTANT MAXIMUM APERTURE, F32 MINIMUM. MICROMOTOR-TYPE AF motor without full-time manual focusing. 77mm FILTERS. 0.95m/37.40" MINIMUM FOCUS. AVAILABLE IN Canon EF, Pentax KAF, Sony Alpha, Nikon F (FX) mounts. FAST TELE ZOOM Dual Format (full size and APS-C size). ULTRA TELEPHOTO CAPABILITY to 310mm. REMARKABLY LIGHTWEIGHT.