Tamron SP 24-70mm Di VC USD Nikon Mount (Model A007N) 24-70mm focal length, Minimum focus distance : 0.38m/14.96 inch 36-105mm equivalent focal length on APS-C cameras, 38.4-112mm equivalent focal length on Canon APS-C cameras F2.8 constant maximum aperture; F22 minimum, Ultrasonic-type AF motor with full-time manual focusing Image stabilization, VC (Vibration Compensation), 82mm filters Available in Canon EF, Nikon F (FX), Nikon F (DX), Sony Alpha mounts