This exciting new zoom lens provides ultra wide-angle coverage to the EOS
20D and Digital Rebel shooter. Equivalent to a 16-35mm zoom, it offers
excellent performance and optics designed from the ground-up for digital
SLR use. Three Aspherical lens elements, plus a Super-UD element, assure
image quality. Its ring-type USM means fast and silent AF along with full-time
manual focus. It focuses as close as 9.5 inches.


Features:

Excellent optical quality and true wide-angle coverage with select digital
SLRs.

Superior AF performance and speed, with full-time manual focus by simply
turning ring.

Close-focusing to 9.5 inches -- fill the frame with subjects as small as 3.6
x 5.4 inches.

Relatively compact size and light weight for an ultra-wide zoom lens.

Inner focusing system (no front element rotation); length doesn't change if
zoomed.

Circular aperture design -- natural highlights, even stopped down two stops.

Electronic diaphragm -- manually-set apertures stay constant from f/4.5 thru
f/22.

EF-S lens mount -- exclusively for EOS 20D and Digital Rebel bodies.


Specifications:

Focal Length & Maximum Aperture: 10 - 22mm; 1:3.5-4.5

Lens Construction: 13 elements in 10 groups.

Diagonal Angle of View: 107¦ 30' - 63¦ 30'

Focus Adjustment: Inner focusing system, with focusing cam.

Closest Focusing Distance: 0.24m / 0.79 ft.

Zoom System: Ring USM

Filter Size: 77mm

Max. Diameter x Length, Weight: 3.3" x 3.5", 13.6 oz. / 83.5 x 89.8mm, 385g.


Mfr.# 9518A002