24-70mm Focal Length/ F/2.8 Maximum Aperture/ 17 Elements In 12 Groups Optical Construction/ 1:5 Maximum Magnification Ratio/ 82mm Filter Size/ Rounded 9-Blade Diaphragm/ eBAND Coating/ Dual MPU (Micro-Processing Unit) Control System/ VC (Vibration Compensation) System/ Fluorine Coating/ Locking Mechanism Built Into The Lens Hood/ Electromagnetic Diaphragm System/ Moisture-Resistant Construction/ Black Finish
