Canon EF-S 15-85 mm f/3.5-5.6 IS USM Zoom Lens

Lens Type: Standard zoom lens Mount: EF-S mount (compatible with Canon APS-C DSLR cameras) Focal Length: 15-85mm Aperture: Maximum aperture of f/3.5-5.6 Minimum Aperture: f/22-38 Autofocus: Ultrasonic Motor (USM) for fast and quiet autofocus Image Stabilization: Optical Image Stabilizer (IS) for up to 4 stops of stabilization Minimum Focus Distance: 0.35m (1.15 ft) at 15mm, 0.45m (1.48 ft) at 85mm Construction: 17 elements in 12 groups Filter Size: 72mm Dimensions: 77.6 x 85.8mm (3.05 x 3.38 inches) Weight: 575g (20.3 oz)