Canon will announce two new lenses in the next few days - EF 35mm f/2 IS USM and Canon EF 24-70mm f/4L IS. Here are the detailed specs (Google translated):
Canon EF24-70mm f/4L IS USM lens
15 elements in 12 groups, two aspherical elements, lens configuration sheet 2 UD lens
9 blades circular aperture
Weatherproof
Full-time manual focus
Macro mode can be switched at the telephoto end
0.2m minimum focusing distance, 0.7 times the maximum magnification
Hybrid IS Image Stabilizer
77mm filter size
93mm length, 83.4mm maximum diameter, 600g weight
Released in mid-December
Expected price shop around ¥ 145,000 (around $1,800, US price will be lower)
Canon EF35mm F2 IS USM lens
10 elements in 8 groups, the lens structure is molded glass aspherical lens
8 blades circular aperture
The effect of camera shake correction about four stages
AF motor ring USM, full-time manual focus
67mm filter size
62.6mm length, 77.9mm maximum diameter, 335g weight
Released in early December 2012
Expected price shop around ¥ 74,000 (around $900)
EF24-70mm F4L IS USM lens will be available as a kit lens to the EOS 6D