Pulsar once again pushes the envelope with the Symbion, a line of multispectral binoculars, combining thermal, daytime and night vision digital imaging in one electro optical device that can be used 24/7. As with all Pulsar optics, it features peak performance with top build quality, classic and elegant design, and a host of features. Two models are available: DXT50 and DXR50, with an integrated …