If you had to choose just one lens to go with a ‘full frame’ camera, the 24-105mm zoom is the one most photographers would select. So it’s nice to see Canon offering the RF 24-105mm f/4 L IS USM lens with its new EOS R mirrorless camera. Compact and relatively lightweight, this lens boasts the same constant f/4 maximum aperture as its EF The Canon RF 24-105mm f/4 L IS USM Lens is a versatile wide-angle to short telephoto zoom with a constant f/4 maximum aperture. It features a five-stop-effective Image Stabilizer, customizable Control Ring for adjusting exposure settings, and a Super Spectra Coating to improve contrast and color accuracy. Like the Canon RF 24-105mm f/4L IS USM kit lens, the RF 24-70mm possesses a focus breathing suppression system. As many videographers will tell you through gritted teeth, most zoom lenses ‘breathe’ as you push in or out – meaning that the angle of focus changes as you do so. Canon EF 24-105mm f/4L IS II USM Lens. STUDENT CASHBACK £ 250. Travel, photojournalism Canon EF 24-105mm f/4L IS II USM. Canon RF 24-105mm F4L IS USM. IMAGE SIZE pSUGaH.