Canon EF-S 10-22mm f/3.5-4.5 USM Lens

The 9518A002 zoom lens from Canon provides ultra wide-angle coverage to the EOS 20D, 30D, 40D, 50D and Digital Rebel SLRs. 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".

Canon 9518A002 Features:

• Superior AF performance and speed, with full-time manual focus by simply turning ring
• Relatively compact size and light weight for an ultra-wide zoom lens
• Circular aperture design -- natural highlights, even stopped down two stops
• Electronic diaphragm -- manually-set apertures stay constant from f/4.5thru f/22
• Excellent optical quality and true wide-angle coverage
• Close-focusing to 9.5" -- fill the frame with subjects as small as 3.6" x 5.4"
• Inner focusing system (no front element rotation); length doesn't change if zoomed
• EF-S lens mount -- exclusively for EOS 20D, 30D, 40D, 50D and Digital Rebel bodies

Canon 9518A002 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: 0.79 ft (0.24m)
• 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)