The hunting night vision riflescope Sentinel GS 2x50 based on the Gen.1 riflescope Sentinel 2.5x50 (#76015T), has preserved all prominent features of the basic model ergonomics, easy operation and functionality.At the core of the Sentinel GS 2x50 is the unique combination of specially designed optics and the CF-Super Image Intensifier Tube which ensure highest edge-to-edge resolution, clear, distortion-free and geometrically precise image across the entire field of view.