INFIRAY OUTDOOR RICO HYBRID THERMAL WEAPON SIGHT 384 3X 50INFIRAY OUTDOOR RICO HYBRID THERMAL WEAPON SIGHT 384 3X 50 The InfiRay RICO HYBRID 384 3 50 mm redefines thermal ergonomics as a dual mode optic that functions both as a standalone thermal weapon sight and an inline clip on unit compatible with day optics up to 10 magnification. Its built around a sensitive InfiRay Micro II sensor (384288, 17 m, <25 mK NETD) with a fast 50 Hz 90 Hz refresh selectable, coupled with a sharp f 1. 0, 50 mm germanium lens,