Dirty Civilian goes over the iRay RH25 thermal monocular if it provides good value... "Thermal optics aren't cheap, which is why we like them to be versatile. We show you what it looks like to use our favorite thermal optic, the iRay RH25, as a handheld, helmet-mounted, and rifle-mounted optic with and without an LPVO, and talk about the limitations of this superpower."