20mm zoom makes it a very powerful tool of both indoor and landscape photography, It is specially designed to optimise results with digital SLR Cameras incorporating APS-C size image sensor or smaller.

Aspherical lenses provide maximum correction for distortion and various aberrations; high image quality is displayed throughout the entire zoom range. The HSM equipped models makes fast AF Speeds and quite shooting a reality, and it is also capable of full-time manual focus. It has a minimum focusing distance of 24 cm at all focal lengths.