SWIR imaging can be used for food inspection, quality control, sorting…

Use the slider to move across the image, and make the invisible visible with C-RED 3!

Images in the visible and SWIR (900 – 1700 nm) range of black beans polluted by a plastic fly and a few square cardboard pieces. Note how SWIR immediately highlights the intruding elements!
 
Camera used:  C-RED 3 with SWIR lens 16 mm, uncooled, non stabilized, low gain
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