Thermal Fixed-Focus Mid-Wave Lens

Thermal Fixed-Focus Mid-Wave Lens (3-5μm) - High-Sensitivity Infrared Imaging Solution  Our Thermal Fixed-Focus Mid-Wave Lens delivers exceptional performance in the 3-5μm MWIR spectrum, perfect for precision thermal imaging applications. Engineered with high-grade germanium optics and advanced anti-reflective coatings, this lens achieves >90% transmission efficiency for superior image clarity. The fast f/1.8 aperture enables <20mK NETD thermal sensitivity, detecting ultra-fine temperature differences critical for defense and industrial use.  Key Parameters: Spectral Range: 3.0-5.0μm (MWIR) Focal Lengths: 25mm/50mm/75mm/100mm Aperture: f/1.8 standard (f/1.4 optional) Resolution: Compatible with 640×512 & 1280×1024 detectors Focus Type: Permanent fixed-focus, parfocal design Thermal Sensitivity: <20mK @f/1.8 Operating Range: -40°C to +85°C Lens Mount: Standard C-mount with locking mechanism   Premium Features: Military-grade durability with nitrogen-purged housing Zero foc…

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