Brand ‎SONY Product model number ‎SAL-70400G Year ‎2009 Zoom magnification (optical) ‎5.7x Focal length (wide-angle side) 70 mm Focal length (telephoto side) ‎400 mm F value (wide-angle side) ‎5.6 f F value (telephoto side) ‎4 Lens type ‎Zoom lens Type ‎Telephoto lens Filter diameter 77mm Lens configuration: 18 elements in 12 groups Lens mount ‎Sony A Image stabilization ‎None Motor type ‎Ultrasonic motor Batteries included ‎No