Lens construction 16 elements in 13 groups diagonal angle of view 34deg 12deg focus adjustment usm closest focusing distance 12m filter size 67mm this high performance telephoto zoom lens ef 70 200mm 14 l usm provides excellent performance for all general purposes the compactness and light weight make it an excellent travel companion high performance l series telephoto zoom lens combining light weight and compactness with an f4 maximum aperture high performance