Collimation is too complicated to explain in a blog post, so here's a video explaining it. Hopefully this will be the first of a series of informational videos regarding the technicalities behind night vision.
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Disclaimer: Lens information is extremely difficult to ascertain in an industry as elusive as nightvision, and is very difficult to verify as companies do not like to discose OEMs. Information prov...

The important specs to look at in determining the performance levels of image intensifier tubes are mostly, sort of, consistent across manufacturers (but not really). What is meant by this is that ...








