Video description: The Onyx Filter from Nocturn Industries can take your green or white phosphor night vision tube and turn it into a soft black and white image. Here, Mission Spec discusses the first impressions of the Onyx Filters.
Note: Depending whether or not your have a green or white tube. You will want to make sure you get the corresponding filter for correct use.
https://nocturnindustries.com/shop-all/p/black-and-white-filter