The 24-105mm f/2.8 is obviously designed for occasions you can't change lenses, like event shooting. It's not designed as the very best 24mm landscape lens or your convenient walk around zoom. Or want. This seems like small difference, but is not. I, for one, don’t like changing lenses. For most situations, this 24-105/2.8 is all I need.
As for the RF 24-105mm f/2.8, it is another “first of its kind” for Canon. The world’s first 24-105mm zoom with an f/2.8 aperture, the lens will also offer Power Zoom capabilities with an . 144 269 195 88 169 213 82 197 58

canon rf 24 105mm f 2.8