Premium G Master Series Telephoto Zoom Lens/ Sony Nano AR Coating/ Circular 11-Blade Aperture/ Built-In Optical SteadyShot Image Stabilization/ Dust And Moisture-Resistant Design/ 35mm Full-Frame Format/ 70-200mm Focal-Length/ 23 Elements In 18 Groups/ Circular Aperture/ 3.15 Ft. Minimum Focus Distance/ 0.25x Maximum Magnification Ratio/ 77mm Filter Diameter/ White Finish