From Kenko Tokina, translated by Google:
Successor of the Tokina AT-X 116 PRO DX, Tokina AT-X 116 PRO DX II announced
Popular super wide zoom lens, Tokina AT-Tokina AT X 116 PRO DX-successor model appeared X 116 PRO DX II. Keep the optical system of the AT-X 116 PRO DX, a new coating applied. Smoother gradations in the shadows.
Placed in the front group P-molded glass aspherical lens that together with the group after the aspherical lens placed in MO, and distortion, aberration correction, ideally each.
In addition, SD very close to fluorite (ultra low dispersion) glass uses two. Elimination of chromatic aberration.
Not only for Canon digital with a motor inside the lens for Nikon. AT-X 16-28 F2.8 PRO FX , 17-35 F4 AT-X PRO FX Tokina SD and GMR sensors mounted on its own-M (Silent Drive-Module), quiet and highly accurate combination of has realized the AF.
Lens construction: 13 elements in 11 groups each (Retail Price: ¥ 90,000 (tax not included with hood)
Nikon digital (APS-C): Will be released in late March 2012.
Canon digital (APS-C): Will be released in late July 2012.