A thrilling 17-28mm zoom range. A coveted f/2.8 aperture with all its spectacular low-light, speed and depth of field capabilities. Liberating in close working spaces. Exhilarating in vast open spaces. Light and tough enough to take anywhere. The definition of an f/2.8 lens just got wider.

• Z-Mount Lens/Full-Frame Format
• Aperture Range: f/2.8 to f/22
• Stepping Motor AF System
• Internal Focus and Zoom Design