R/T Ranging Reticle with 4 Silhouettes High Density Extra Low-Dispersion Glass Multicoated Phase-Corrected Roof Prisms Fully Multicoated Optics / XR Coatings Scratch & Oil Resistant Lens Coatings Angular Field of View: 5.3° Argon-Filled/ O-Rings/ Water & Fogproof Center Focus /…