What is the spectral response for certain camera/lens combination? | Teledyne FLIR
SWIR Imaging Optics – Sunex Inc.
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How Do Infrared Cameras Work? | Infrared Cameras Inc
Why does infrared camera that register wavelengths above 800nm cost 10x or 100x more then a normal camera which registers visible light whose wavelength is 300 - 700 nm? - Quora
How to see the invisible infrared world using your mobile phone camera - Ken's Tech Tips