{"product_id":"guide-tu425s-thermal-scope","title":"Guide TU425S Thermal Scope","description":"\u003cp\u003eThe \u003cstrong\u003eGuide TU425S Thermal Scope\u003c\/strong\u003e brings advanced thermal imaging into a compact, lightweight LPVO-style platform, making it the most portable option within Guide's TU 3.0 Series.\u003c\/p\u003e\u003cp\u003eFeaturing a \u003cstrong\u003e400×300 12μm thermal sensor\u003c\/strong\u003e with \u003cstrong\u003e20mK NETD thermal sensitivity\u003c\/strong\u003e, the TU425S is paired with a \u003cstrong\u003e25mm F1.0 objective lens\u003c\/strong\u003e and provides a detection range of up to \u003cstrong\u003e1300 metres\u003c\/strong\u003e. Its compact design weighs just \u003cstrong\u003e575g\u003c\/strong\u003e, helping reduce bulk while still delivering strong thermal performance.\u003c\/p\u003e\u003cp\u003eGuide's \u003cstrong\u003eApexVision S1 image processing architecture\u003c\/strong\u003e and Hyper-Light algorithm work together to enhance image clarity, contrast and detail, while \u003cstrong\u003eShutterless 3.0 technology\u003c\/strong\u003e provides smooth viewing with minimal interruption.\u003c\/p\u003e\u003cp\u003eWith a high-resolution \u003cstrong\u003e1920×1080 AMOLED display\u003c\/strong\u003e, \u003cstrong\u003e4.3×–17.2× magnification\u003c\/strong\u003e, up to \u003cstrong\u003e10 hours of battery operation\u003c\/strong\u003e, dual-band Wi-Fi, recording functionality and an IP68 protection rating, the TU425S delivers a capable thermal optics platform in a streamlined package.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIncludes quick-release scope mount.\u003c\/strong\u003e\u003c\/p\u003e\u003ch2\u003eApexVision S1 Image Processing\u003c\/h2\u003e\u003cp\u003eThe TU425S features \u003cstrong\u003eGuide's ApexVision S1 image processing architecture\u003c\/strong\u003e, developed to enhance thermal image clarity, definition and overall viewing performance.\u003c\/p\u003e\u003cp\u003eAdvanced image processing works alongside the thermal detector to improve contrast and detail while reducing image noise, helping users distinguish heat signatures and surrounding terrain across changing environmental conditions.\u003c\/p\u003e\u003ch2\u003e400×300 12μm Thermal Sensor\u003c\/h2\u003e\u003cp\u003eAt the heart of the Guide TU425S is a \u003cstrong\u003e400×300 thermal detector with a 12μm pixel pitch\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eWith a specified \u003cstrong\u003e20mK NETD thermal sensitivity\u003c\/strong\u003e, the sensor is designed to detect small temperature differences within a scene and provide useful thermal detail in low-contrast environments.\u003c\/p\u003e\u003cp\u003eA \u003cstrong\u003e50Hz frame rate\u003c\/strong\u003e provides smooth imagery when scanning or observing moving subjects.\u003c\/p\u003e\u003ch2\u003e25mm F1.0 Lens \u0026amp; 1300m Detection Range\u003c\/h2\u003e\u003cp\u003eThe TU425S features a \u003cstrong\u003e25mm F1.0 objective lens\u003c\/strong\u003e, providing a practical balance between field of view, magnification and longer-distance thermal detection.\u003c\/p\u003e\u003cp\u003eThe optical system provides a stated \u003cstrong\u003edetection range of up to 1300 metres\u003c\/strong\u003e, making the TU425S well suited to short- and medium-range thermal observation while retaining a relatively compact overall footprint.\u003c\/p\u003e\u003ch2\u003e4.3×–17.2× Magnification\u003c\/h2\u003e\u003cp\u003eThe Guide TU425S provides \u003cstrong\u003e4.3× base magnification\u003c\/strong\u003e, offering a detailed initial view while maintaining a useful field of view.\u003c\/p\u003e\u003cp\u003eMagnification extends up to \u003cstrong\u003e17.2×\u003c\/strong\u003e, allowing users to examine detected thermal signatures more closely when additional image detail is required.\u003c\/p\u003e\u003cp\u003eIts field of view measures approximately \u003cstrong\u003e10.3° × 6.2°, or 18 × 11 metres at 100 metres\u003c\/strong\u003e.\u003c\/p\u003e\u003ch2\u003eLightweight LPVO-Style Design\u003c\/h2\u003e\u003cp\u003eOne of the defining features of the TU425S is its compact \u003cstrong\u003eLPVO-inspired design\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eAt approximately \u003cstrong\u003e575g\u003c\/strong\u003e, the TU425S is designed to provide advanced thermal capability without the bulk traditionally associated with larger thermal optics.\u003c\/p\u003e\u003cp\u003eIts streamlined housing helps create a more familiar optic-style profile while improving portability and overall handling.\u003c\/p\u003e\u003ch2\u003eHyper-Light Image Processing\u003c\/h2\u003e\u003cp\u003eGuide's \u003cstrong\u003eHyper-Light algorithm\u003c\/strong\u003e works alongside the thermal detector and ApexVision architecture to enhance image contrast and reduce unwanted noise.\u003c\/p\u003e\u003cp\u003eThe processing system is designed to preserve finer thermal detail, helping produce a clearer and more defined image across varying field conditions.\u003c\/p\u003e\u003ch2\u003eShutterless 3.0 Technology\u003c\/h2\u003e\u003cp\u003eThe TU425S features \u003cstrong\u003eGuide Shutterless 3.0 technology\u003c\/strong\u003e, designed to minimise interruptions caused by traditional thermal calibration cycles.\u003c\/p\u003e\u003cp\u003eThis provides smoother, more continuous viewing and reduces audible clicking during normal operation.\u003c\/p\u003e\u003cp\u003eA shutter module is still retained for startup calibration and operation under extreme temperature conditions to help maintain image quality.\u003c\/p\u003e\u003ch2\u003e1920×1080 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Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Waveband\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8–14μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eObjective Lens\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25mm F1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMagnification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.3×–17.2×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetection Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 1300m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eField of View\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10.3° × 6.2° \/ 18 × 11m @ 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more compact optic-style platform.\u003c\/p\u003e\u003cp\u003eIts \u003cstrong\u003e400×300 12μm sensor, 25mm F1.0 lens and 1300m detection range\u003c\/strong\u003e provide strong thermal observation capability, while the \u003cstrong\u003e4.3× base magnification and 575g weight\u003c\/strong\u003e make it a particularly portable option within Guide's TU 3.0 range.\u003c\/p\u003e\u003cp\u003eWith ApexVision S1 processing, Hyper-Light image enhancement, Shutterless 3.0 technology, a 1920×1080 AMOLED display, dual-battery power system, recording functionality, dual-band Wi-Fi, IP68 protection and an included quick-release mount, the TU425S combines advanced thermal features with a streamlined and lightweight design.\u003c\/p\u003e","brand":"Apex Tactical","offers":[{"title":"Default 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