Observe the night in a new fashion as you try out yukon advanced optics new night vision binoculars the tracker line of night vision binoculars is compact lightweight and provides a wide field of view the water resistant body increases the binoculars versatility while the central focusing knob and fixed eye span distance provide comfort and reliability the soft one piece eyecup prevents external light distortion and light leakage from the device allowing the user to remain hidden in the