Lens Type: Telephoto zoom lens
Mount: EF mount (compatible with Canon full-frame and APS-C sensor DSLR cameras)
Focal Length: 70-300mm
Aperture: Maximum aperture of f/4-5.6 (variable aperture throughout the zoom range)
Minimum Aperture: f/32-45
Autofocus: Ultrasonic Motor (USM) for fast, precise, and nearly silent autofocus
Image Stabilization: Yes (upgraded IS II system with up to 4 stops of stabilization)
Minimum Focus Distance: 1.2m (3.9 ft)
Construction: 17 elements in 12 groups
Filter Size: 67mm
Dimensions: 76.6 x 172mm (3.0 x 6.8 inches)
Weight: 1,440g (50.8 oz)
