N-Vision Optics 3.5x50mm Thermal Scope F1.2 Germanium 60 Hz 640x480 Black. Built with a rugged composite housing and high end anti-reflective (AR) coated high speed germanium optics HALO-LR Thermal Scope is the ultimate solution for the serious hunter operator or shooting enthusiast. HALO-LR Thermal Scope features long lasting battery life a waterproof housing 60Hz refresh rate digital zoom and most impressively unique Region of Interest (ROI) Optimization that enhances image clarity at your point of aim. Unlike comparable thermal scopes HALO Thermal Scope allows the user to pre-set the desired size of interest in 1/4 1/2 or full screen modes. Additionally HALO-LR Thermal Scope supports four unique reticles allowing shooters to customize their shoot by saving multiple reticle options and zeroes. HALO-LR Thermal Scope also provides four advanced polarity modes: white hot black hot black edge detect and white edge detect. HALO-LR is built with a 50mm F1.2 objective lens offering thermal detection ranges (man sized target) of over a mile. Weighing just 800 g HALO-LR offers unparalleled detection recognition and identification ranges for the long distance shooter. Specifications for N-Vision Optics HALO-LR 3.5x50mm Thermal Scope: Manufacturer: N-Vision Optics Color: Black Magnification: 3.5 x Objective Lens Diameter: 50 mm Sensor Resolution: 640x480 pixels Display Resolution: 640x480 pixels Refresh Rate: 60 Hz Resolution: 640x480 pixels Reticle: 8 Attachment Type: Picatinny Battery Type: CR123 Lithium Water Resistance Level: IP67 Length: 8.5 in Width: 3.2 in Height: 3.1 in Weight: 28.2 oz Battery Quantity: 4 Mount Type: Picatinny Gun Rail: Picatinny Features of N-Vision Optics HALO-LR 3.5x50mm Thermal Scope Thermal detection ranges of over a mile Region of Interest (ROI) Optimization that enhances image clarity at your point of aim 4 Advanced Polarity Modes:white hot black hot black edge detect and white edge detect Package Contents: N-Vision Optics HALO-LR 3.5x50mm Thermal Scope Unit Hard Carrying Case Image Download Cable Lens Cover Eye Cup Lens Cleaning Paper Quick Reference Guide Batteries N-Vision Optics HALOLR: HALO-LR 3.5x50mm Thermal Scope F1.2 Germanium 60Hz Refresh Rate Black