New 150-400mm PRO lens weights 2 kg with tripod collar. Without it drops to 1.85kg. March 13, 2020 Rumors 0 Comments 150-400mm PRO lens image via Dpreview Dpreview member Mel C learnt from Olympus the 50-400mm PRO lens weights 2 kg with tripod collar. Without it drops to 1.85kg. The lens is rumored to be available in Summer. Advertisement: **This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links.