MUST BE PURCHASED WITH A HOUSING FROM NOCTURN INDUSTRIES.
"Standard Optic set" Standard mil-spec or equivalent PVS-14 optic set. These optics meet or exceed the mil-spec optical and submersion performance requirements. 40 Degree Field of View.
"RPO 4.0 Optic set" These optics are lighter than the standard PVS-14 optics. Eyepiece comes with Nocturn Industries Lightweight Diopter installed. 40 Degree Field of View
