Microscope Slides & Cover Slip. May not match the actual item listed. This listing is for Model # NVGOPS3130. ATN PS31-3 1x Dual Night Vision Goggle System, Gen 3, 64-72lp/mm, Black, NVGOPS3130. ATN NVGOPS3130: PS31-3 1x Dual Night Vision Goggle System, Gen 3, 64-72lp/mm, Black. Features of ATN PS31-3 1x Dual Night Vision Goggle System. Built-In Ir Led With Ir-On Indicator In Fov. Low Battery Indicator In Fov. ATN PS31-3 1x Dual Night Vision Goggle System. At OpticsPlanet, we pride ourselves on top-notch brand name products at some of the lowest prices on the ...