Kenko-Tokina has announced that, due to defects found in component parts, production of the Tokina 17-35mm f/4 AT-X Pro FX Lens has been temporarily suspended.
The Canon mount Tokina 17-35mm f/4 AT-X Pro FX Lens is now scheduled for release at the end of August (originally late July).
The Nikon mount Tokina 17-35mm f/4 AT-X Pro FX Lens is now scheduled for release in early September (originally end of August).