The Canon EF-S 15-85mm f/3.5-5.6 IS USM lens is designed for Canon EOS DSLRs that have an APS-C format sensor (1.6x crop).  The 15-85mm range is equivalent to a 24-136mm angle of view in a 35mm or full frame camera and is a natural substitute for the Canon EF 28-135mm IS lens on the Canon 50D, Canon Rebel T1i and Canon 7D.

The EF-S 15-85mm f/3.5-5.6 IS USM lens will be available in October 2009 at an initial retail price of $799.99.  Check availability on Amazon.com.

Canon EF-S 18-135mm f/3.5-5.6 IS News Release

The versatile focal length, extreme wide angle and stunning image quality of Canon’s new EF-S 15-85mm f/3.5-5.6 IS USM lens makes this the ideal multipurpose wide-angle zoom lens for the photographer shooting a wedding or exotic vacation. Featuring three aspherical elements and one UD glass element for outstanding image quality, the zoom range of this lens is equivalent to 24-136mm on a full-frame camera. When coupled with Canon’s new EOS 7D DSLR, this lens provides moviemakers and videographers with a phenomenal focal range for wide-angle scenic footage and zoomed in telephoto shots.