At the core of the Challenger GS 3.5x50 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. The body of the device is hermetically sealed which enables use in inclement weather (fog, heavy shower, dusty environment, sand storm etc.). The Challenger GS 3.5x50 is equipped with a powerful infrared illuminator that can be used in insufficient illumination conditions for observation at over-average distances. The device also has a matching site to install auxiliary, more powerful, focusable IR Illuminators Pulsar. The device and the built-in IR illuminator are switched on/off with a single switch. Design of the switch prevents the IR illuminator from accidental activation (to avoid disclosure of the observer). The Challenger GS 3.5x50 boasts a wide range of applications such as night orientation, tourism, hunting, guarding of industrial facilities and private property, military and sport games, patrolling and rescue operations.

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