I can confirm they tunnel. 1.8x-10 tunnels until about 2.5ish, 3-17 tunnels until ~4.5-5, and the 25x tunnels until ~8, give or take - similar to an ATACR. And yes, paying their full price is like buying a Vortex at MSRP. Don't do it. Buy with certs, used, or from EuroOptic or using a MIL/LEO...