The Canon RF 28-70mm F2 L USM Lens is a large, heavy and expensive lens that is also awesome. Garnering a world's first on its credit list, this lens brings the f/2 aperture to the extremely useful standard zoom lens. With the RF 28-70mm F2 L Lens in your hand, it is like having a large kit of prime lenses always mounted on the camera. Canon RF 24-105mm F4L IS USM Review Canon RF 24-240mm F4-6.3 IS Review Canon RF 24-70mm F2.8L IS Review Canon EF-M 28mm f/3.5 Macro IS STM Review Three Way QW6AR.