Sigma 100-300mm f4 APO EX DG HSM - Lens
Sigma 100-300mm f4 EX APO IF HSM is EX-series telephoto zoom lens equipped with a large constant F4 maximum aperture at all focal lengths. The use of Apochromatic design and 4 SLD (The Special Low Dispersion) glass elements (two SLD glass elements are utilized in the front lens group and two in the rear group) for full correction of chromatic aberration and providing a high level of optical performance. The AF drive for Nikon cameras is equipped with silent, responsive and high speed HSM (Hyper Sonic Motor) as well as fulltime manual focus.
A removable tripod mount is provided with the lens. This lens incorporates an internal focusing system, which eliminates front lens rotation. Since focusing and zooming do not change its overall length, this lens is easy to hold and use. It is also compatible with 1.4x and 2x Tele Converters.
- Closest focusing distance: 1.8m
- Optical construction: 16 elements in 14 groups