Luna Optics LN-SM50 Grade-A Night Vision Generation-1 80mm 5x Monocular High-quality all-glass optics, 80mm objective lens. High power 5x magnification, 9 degrees field of view. Built-in IR illuminator and tripod mount. One-touch controls with power and IR light indicators. 300m (978 ft) viewing distance, 2m (6.6ft) to infinity Focusing distance.