Pard Ocelot Thermal Imaging Rifle Scope with LRF 640 Zoom 25/50mm Lens

Ocelot Zoom: Switch between the 25mm lens that offers a 1.3x base magnification and the 50mm lens that offers a 2.5x base magnification. You can view magnified HD images without distortion using the 2-8X digital zoom. Switch between the two lenses by adjusting the main lens ring back and forth and focus with the knob on the top of the ring. An important technical specification is the Noise Equivalent Temperature Difference (NETD) rating. This is one of the most important technical specifications