A zoom lens with large aperture from 24mm super-wide-angle. From wide angle of view more than 80 degrees at 24mm to standard 135mm zoom lens, large aperture has been achieved. One Special Low Dispersion (SLD) glass element and 2 Aspherical Lenses optimizes the optical performance. At 24mm focal length this lens has a fast F2.8 maximum aperture.
This lens has a super wide range of angles of view from 84.1 to 18.2 degrees. It incorporates an internal focusing system, which eliminates front lens rotation, allowing use of polarizing filters and Petal type hoods. The lens materials used in this lens are lead and arsenic free ecological glass.