The optical system, construction, and exterior are the same as the EF 75-300 mm f/4-5.6 III USM's. The difference is that it uses a DC motor instead of a USM to drive the AF.
*EF-S Lenses are For EOS 40D, 30D, 20D, 20Da, Digital Rebel XTi, XT and Digital Rebel only.
+ Prices and specifications subject to change without notice. Actual prices are determined by individual dealers and may vary