You can read Canon's full press release for these three lenses after the jump.
Canon U.S.A. Continues The Tradition Of Incredible Optical Quality With The Introduction Of Three New Lenses
LAKE SUCCESS, N.Y., February 7, 2012 – Canon U.S.A., Inc., a leader in digital imaging solutions, today announced two new versions of its coveted Wide Angle Lenses and a new version of its popular 24-70mm Standard Zoom Lens for professionals and photo enthusiasts. The new EF 24-70mm f/2.8L II USM, EF 24mm f/2.8 IS USM and EF 28mm f/2.8 IS USM lenses use a rear focusing system, high-speed CPU, and a powerful ring-type Ultra Sonic Motor (USM) with optimized AF algorithms for faster auto focusing and sharp images. With large apertures these new lenses deliver beautiful, soft backgrounds for superior image quality.
