AGM Rattler TS50-640 Compact Long Range Thermal Imaging RiflescopeAGM Rattler TS50 640 is the compact thermal imaging scope developed for 24 hours of operation under any weather and environmental conditions. This rifle scope with 50mm Germanium lens and 20x digital zoom is the perfect unit for long range shooting. Features Thermal image riflescope has 640x512, 12m thermal detector with 50Hz refresh rate and 1024x768 OLED monitor, which provides clear image under harsh environment conditions like darkness, fog,