Sigma APO EX DG 200-500mm f/2.8 Telephoto Lens - Black

Sigmas APO 200-500mm F2.8/400-1000mm F5.6 EX DG, is the first large-aperture ultra telephoto lens to have an F2.8 aperture at 500mm.  With its specially designed attachment mounted becomes a 400-1000mm F5.6 ultra telephoto lens capable of auto-focus shooting.  It has ELD (Extraordinary Low Dispersion) and SLD (Special Low Dispersion) glass for maximum correction of aberrations.  Perfect fast moving nature subjects and sports such as surfing, polo and soccer and as it excels at tracking fast moving objects it is a great surveillance lens. Here, Sigmas achievement is unsurpassed and stands alone.

Features:

- 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.