【Superior Anti-Interference Optical Performance】 This 940nm narrow bandpass filter features excellent anti-interference capability, working stably under strong sunlight and harsh light conditions. With a high light transmittance up to 80%, it greatly reduces the optical attenuation coefficient of precision instruments, effectively compensating for the instability of 940nm IR LED lights, extending the working distance and enhancing the light intensity of infrared equipment for more accurate detection results.
【Ultra-High IR Blocking Efficiency with OD＞5】 Professional ir blocking filter design achieves extremely high actual cut-off rate. Vertical incidence testing verifies no light penetration under strong infrared lamp irradiation with OD value greater than 5. After back bonding and sleeve assembly, the OD value can be upgraded to 8, realizing ultra-precise narrow band filtering and thorough infrared stray light blocking for high-precision optical equipment.
【Premium Double-Function Hard Coating Craft】 Adopts single-sided full dielectric hard film technology with 30-50nm ultra-narrow FWHM bandwidth. This durable ar coated lens integrates dual functions of precise bandpass filtering and stray light isolation. It can be used directly as a conventional infrared filter or glued with sleeves to convert into an ultra-narrow band biochemical fluorescence microscopic filter, meeting diverse professional optical usage demands.
【Wide Compatibility & Multi-Scenario Application】 This 8mm optical glass ir filter is widely applicable for 24-hour indoor and outdoor infrared monitoring, thermometers, license plate recognition, face recognition and biometric detection. It also perfectly matches medical monitoring equipment, automotive detection instruments, smart lamps, smart vacuum cleaners, household appliances, Bluetooth transmission devices for laptops and mobile phones, as well as infrared ink identification equipment.
【Durable Structure & Customizable Service】 Made of high-quality optical glass with scratch-resistant and wear-resistant hard coating, this infrared filter ensures long-term stable operation in complex environments. We support customized optical filters of various sizes, wavelengths and shapes including round, square and irregular shapes. The sample MOQ is 10 pieces, and bulk orders enjoy more favorable unit prices. The standard production cycle is 1-2 weeks, feel free to contact us for professional custom solutions.
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