Canon EF 70-200mm f/2.8L IS USM Zoom Lens

Lens Type: Telephoto zoom lens Mount: EF mount (compatible with Canon full-frame and APS-C sensor DSLR cameras) Focal Length: 70-200mm Aperture: Maximum aperture of f/2.8 (constant aperture throughout the zoom range) Minimum Aperture: f/32 Autofocus: Ultrasonic Motor (USM) for fast and accurate autofocus Image Stabilization: Yes (up to 3 stops of image stabilization) Minimum Focus Distance: 1.2m (3.9 ft) Construction: 19 elements in 15 groups Filter Size: 77mm Dimensions: 88.8 x 199.5mm (3.5 x 7.9 inches) Weight: 1,430g (50.5 oz)