Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 225mm with most cameras.
Only lens of its kind currently in the photo industry.
Largest high speed zoom lens available.
High speed F2.8 aperture constant throughout entire zoom range.
A dedicated hard case, battery charger BC-21, battery pack BP-21, and dedicated 2x teleconverter are included with the lens.