An ultra wide-angle zoom lens with dynamic expressive capability for all EF-S mount EOS cameras; exceptionally small and lightweight for maximum mobility. NOTE: This is an "EF-S" Series Lens and is compatible only with Digital SLRs that accept EF-S lenses like the EOS Digital Rebel , Digital Rebel XT, Digital Rebel XTi, EOS 20D, EOS 30D, EOS40D and similar. Do NOT Use With the EOS-5D, EOS-1D, EOS-1DS, EOS 1DS-Mark III Or Any Other EOS Camera. Features Super wide angle zoom for all EF-S mount bodies Superb image quality Lightweight and compact Focusing distance of just 24cm. Fast near-silent USM AF Super Spectra coatings Circular aperture Optional exclusive lens hood 77mm Filter Size A new perspective With its effective focal length range of approximately 16-35mm in 35mm format, the EF-S 10-22mm f/3.5-4.5 USM is a remarkable lens with outstanding image quality that will take your photography into new dimensions and areas of dramatic expression. Beyond human perspectiveThe super-wide zoom not only gives you the freedom to get exactly what you want in the shot, it dramatically alters perspective to allow for dynamic expression. The lens allows you to get extremely close to subjects, exaggerating the difference in size between a near object and its background. Creative photographers can use this phenomenon to create excellent separation between subject and background for a strong sense of presence, or for a pan-focus effect with everything from foreground to backg...