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Alain18/04/2018
Bought the 6mm to couple a CCD to a light spectrometer. The lens is very low distorsion and the infra red are perfectly visible, this point was mandatory for me to build a spectrometer 350nm - 1000nm.
This lens is not suitable for normal visible light, the colors are distorded as there is no infra red filter.
Highly recommended for some applications like night vision or infra red.
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