Hi all, thanks again for your feedback. Since I am already 56 years old and I am a bit overweight and I do like travel phtography, carry a monster/heavy zoom lens like the RF 28-70mm f/2.0 might be a big sacrifice that can affect my passion to take pictures. Maybe, as I like to walk around when I travel, a more compact and less heavier RF 24-70mm f/2,8 might be a better solution also because even if I like sometime to shoot on low light/critical conditions, with the R5 I can still get high ISO without much quality loss. An considering that the RF 28-70mm f/2.0 cost also a bit more, probably the RF 24-70mm f/2.8 might be the better and more natural choice. I think that most of you might agree with me?