Canon EF 28mm f2.8 Wide Angle Lens has been discontinued, here are some related products you might like:
Highly portable wideangle lens with a good price-to-performance ratio. Its lightweight of 0.41 lb makes it ideal as your standard wideangle lens. The high-precision aspherical lens minimizes distortion and other aberrations for sharp, contrasty images.
More information about Canon Products and Lenses: (Link to Canon Website)