It has been 2-days short of a year since the last Canon L lens announcement (for the ultra-expensive, but amazing, EF 200-400mm f/4L IS USM Extender 1.4x Lens), so you are not likely surprised to hear that I have been experiencing ever-increasing new-L-Lens withdrawal symptoms. Well, that anxiety has just been lifted. The long Canon pro gear drought has just ended thanks to the announcement of the Canon EF 16-35mm f/4L IS USM Lens.
The Canon EF 16-35mm f/4L IS USM Lens review page contains a preview of the lens including:
With a moderate price tag and an impressive-looking MTF chart, I highly recommend that you preorder this lens immediately at B&H to preserve your place in line. This will likely be a very in-demand lens and has the potential to be hard to get for some time. You can always cancel a preorder, but getting a good place in line is far harder to accomplish later.