A Special Low Dispersion (SLD) and two pieces of aspherical glass elements produce high level of optical performance through the entire zoom range and

A Special Low Dispersion (SLD) and two pieces of aspherical glass elements produce high level of optical performance through the entire zoom range and alsothis has resulted in a compact, lightweight lens that features a length of 77.7mm (3), maximum diameter of 70mm (2.7), weight of 385gr (13.5oz) and filter size of just 62mm .