High performance telephoto zoom lens part of canons acclaimed l series 4 stop image stabilizer two ud elements highly resistant to dust and water 8 blade circular aperture quiet amp fast autofocus compatible with a tripod collar the ef 70 300mm f4 56l is usm is part of canons prestigious l series offering performance excellence with a versatile zoom range and superb image quality in a robust and compact design high performance telephoto zoom lens with a focal length range of 70 300mm the ef 70