24-70mm focal length, 38.4-112mm equivalent focal length on Canon APS-C cameras
F2.8 constant maximum aperture; F22 minimum, Ring-type ultrasonic-type AF motor with full-time manual focusing
82mm filters, Closest Focusing Distance: 0.38m/1.25 ft.
Image Stabilization : No. Focus Adjustment- Inner-focusing with USM. Diagonal Angle of View- 84° – 34°. Weight-1.7 pound