I actually held onto this press release for a few days hoping a better version of it would surface (the release looks like it was authored in another language and run through Google Translate). Unfortunately, a more eloquent version never appeared. [Sean]
DECEMBER 28, 2015 – Kenko Tokina Co., Ltd. is pleased to announce the new AT-X 14-20 F2 PRO DX.
The fast F2.0 Zoom lens of Tokina Since the maximum aperture of F2.0 is given this lens, it's possible to support the low sensitivity photography used ISO64 and ISO100 setting. The maximum aperture of F2.0 shows its power for the photography using the blur feeling and photography with the low brightness (In the room, In the night).
Adopt highly precise Plastic Aspherical lens The 2nd lens group in this lens is adopted the plastic aspherical lens which improved surface accuracy, and is given antireflection coat. This lens is designed tough against ghost flare.
Arrange highly precise Glass molded Aspherical lens 2 pieces of super low dispersion glass molded aspherical lens is located in the back goup of the lens, and various aberration are corrected by these lenses.
Compact Body and Excellent Operability Tokina’s exclusive One-touch Focus Clutch Mechanism allows the photographer to switch between AF/MF simply by sliding the focus ring, forward side for AF and back toward the camera for MF. This lens is designed as the fast aperture F2.0 in all focal range, but it is a compact body. This lens has a thread in the front frame, so it’s possible to attach filters of 82mm size.
The new Tokina AT-X 14-20 F2 PRO DX is an ultra-wide-angle zoom lens for the DX(APS-C) size, and has the maximum aperture of F2.0. In low brightness situation, use it demonstrates its preeminent power
Focus distance: 14 - 20mm Brightness: f/2.0 Canon Format : APS-C Minimum aperture: f/22 Lens configuration: 13 elements in 11 group Coating: Multilayer film coating Angle of view: 91.68° ~ 71.78° Filter size: 82mm Shortest Object Distance: 0.28m Macro maximum magnification: 1:8.36 Focus method: Internal focus Number of Aperture blades: 9 Maximum diameter: 89.0mm Full length: 106.0mm Weight: 725g Hood (Attached) : BH-823 Above mentioned specifications are for a Nikon mount.
There is no indication when the lens will be available for preorder.