Compare Canon RF 24-105mm f 4 L IS USM Lens vs Canon RF 24-70mm f 2.8 L IS USM Lens vs Canon EOS R5 Mirrorless Camera vs Canon EOS R5 Mirrorless Camera with 24-105mm f 4 Lens Press ‎ ↵ Enter ‎ for Accessibility for blind people who use screen readers RF 24-105 F4 L is an amazing lens. It’s my default lens. It is very versatile. My upgrade would cost $6K to get both 28-70 F2 and 70-200 F2.8. 5. michaellicious. • 1 yr. ago. It’s a great lens. I got it as a kit lens and was shocked at the quality. Compare Canon RF 70-200mm f 2.8 L IS USM Lens vs Canon RF 24-70mm f 2.8 L IS USM Lens vs Canon RF 24-105mm f 4 L IS USM Lens vs Canon RF 24-105mm f 4-7.1 IS STM Lens TVbE.