This Tenebraex Anti-Reflection Device provides a low-cost, retro-fittable, and field-practical way to hide reflection on optic surfaces with the use of a high-tech honeycomb material. Flip cover compatible. Fits the Following Scopes: Vortex Razor HD Gen II 4.5-27x56Zeiss Victory V8 4.8-35x60Fits the Following Sightron Scopes: SIII (FT) 10-50X60SIII SS (LR) 10-50X60SSIII SS (LR or FT)SSVED 10-50x60SVSSED 10-50x60 Tenebraex Vortex Razor HD Gen II 4.5-27x56 and Zeiss Victory V8 4.8-35x60 ARD FC VR0056-ARD