Compare Canon RF 24-105mm f 4 L IS USM Lens vs Canon EF 24-105mm f 4L IS II USM Lens. Press ↵ Enter for Accessibility for blind people who use screen readers has a silent focus motor built into the lens. Canon EF 24-105mm F/4L IS USM. Canon EF 70-200mm F/2.8L IS II USM. Lenses with built-in focus motor focus faster and more quietly than lenses without a focus motor which rely on the camera's body focus motor. minimum focus distance.
The Tamron 24-70 F2.8 VC is not as good as the new Canon 24-70 F2.8 II but I put it equal to the Canon 24-70 F2.8 I and considerably better than the Canon 24-105 F4L. I would recommend the following three lenses Canon 17-40 F4L (Wide angle), Tamron 24-70 F2.8 (main lens) Tamron 70-300 F4 -5.6 VC (telephoto) dirt cheap excellent lens or The