N-VISION OPTICS NOX 35mm offers the most versatile thermal weapon sight with it's 12-micron 60 Hz small and light design that can be used as a head-mounted monocular or a scanner. Enjoy clear imaging with its industry-leading 640 x 480 60 Hz BAE thermal imaging core and manual focus, non-rotating 35mm F1.1 Germanium Lens for optimal image quality in any environment. Weapon and dovetail mounts can be easily removed to reduce size and weight, ensuring a perfect fit for any mission.