Request InfoLynred USAA thermal imaging system for long-range surveillance, tracking and target signature analysis has been unveiled by Electrophysics. The Emerald LR has a mercury-cadmium-telluride large-format focal plane array with 650 × 512 pixels that produces an infrared image at full TV resolution. It operates in the 3- to 5-μm region, and its sub-25-mK noise-equivalent temperature difference enables detection of objects at a range of up to 25 km. 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