Features- Compact, lightweight design with a 5x zoom ratio -- 28 to 135mm equivalent
- Excellent optical quality: Aspheric element with two Aspherical surfaces utilized
- Close-focusing to 1.15 feet -- at 135mm, fills the frame with subject 3 x 4.4 inches
- Ring-type Ultrasonic motor for superior AF performance; allows full-time MF
- Image Stabilization extends the lenss usefulness in low-light levels
- Circular aperture design -- natural highlights, even stopped down two stops
- Non-rotating front element; lens length does not change during focusing
- EF-S lens mount -- exclusively for EOS 20D and Digital Rebel bodies
- Focal Length & Maximum Aperture
- 17 - 85mm; 1:4-5.6
- Lens Construction
- 17 elements in 12 groups
- Diagonal Angle of View
- 78° 30 - 18° 25
- Focus Adjustment
- Inner focusing system, with focusing cam
- Closest Focusing Distance
- 0.35m - 1.15 ft.
- Zoom System
- Ring USM
- Filter Size
- 67mm
- Max. Diameter x Length, Weight
- 3.1 x 3.6, 16.8 oz. / 78.5 x 92mm, 475g
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