Canon RF 24-105mm f/2.8L IS USM Z LensCanon RF 24 105mm F2. 8L IS USM Z Lens Shoot uncompromised stills and movies with the RF 24 105mm F2. 8L IS USM Z. An L series lens with a constant F2. 8 aperture, a versatile 24 105mm focal length range and 5. 5 stop Optical Image Stabilizer (8 stops co ordinated IBIS and OIS). With filmmaking features such as an iris control ring, electronic parfocal performance and focus breathing suppression plus an optional power zoom for smooth professional