Lens Type: Telephoto zoom lens Mount: EF-S mount (compatible with Canon APS-C sensor DSLR cameras) Focal Length: 55-250mm Aperture: Maximum aperture of f/4-5.6 (variable aperture throughout the zoom range) Minimum Aperture: f/22 Autofocus: Stepping Motor (STM) for smooth, silent autofocus performance Image Stabilization: Yes (up to 3.5 stops of image stabilization) Minimum Focus Distance: 0.85m (2.8 ft) Construction: 15 elements in 12 groups Filter Size: 58mm Dimensions: 70.0 x 112.8mm (2.8 x 4.4 inches) Weight: 375g (13.2 oz)
