- Very high quality, wide aperture zoom lens covering wide angle to medium telephoto.
- Smooth, silent AF operation using high-torque SSM (Super Sonic wave Motor).
- 17 lens elements in 13 groups, including 3 aspherical elements and 2 ED glass elements: delivers optical performance equivalent to fixed focal length lenses.
- Clear, sharp description with minimized spherical aberration at telephoto end.
- T coating on optical surfaces ensures higher light transmission with minimal flare and ghosting.