Nocturn Industries Onyx Filter turns night vision Black and White - First Thoughts - Review 

One thing important to know about the human eye response to light is that the eye is most sensitive to green light (20 times more sensitive to green than to red). This means that in the very darkest scenes, the use of a filter with a tube having very low EBI that is still producing an image may produce an image that is too dim for the eye to resolve all of the detail. In a threshold level scene with a super low EBI tube, the image can get very dim. Of course you can always take the filter off, but in most cases, the finest, lowest contrast detail the eye will be able to see is when the image is as bright as possible. As the image darkens, the eye looses resolution. This is why Green was selected for NV tubes. Since the eye is most sensitive to green, the view will always appear brighter in a green phosphor tube (if all other things are the same) because in dim scenes, the rods are your dominant receptors. (These are the receptors that take over when your eye goes into scotopic vision mode, ie dark adapted. These though do not have as high a resolving power as the cones because each cone gets its own neuron, while the rods are bundled five to a neuron. Better dark response, but lower resolution, so keeping the image bright will fire more cones, which is where the resolution really is. The brighter the image, the more fine and low contrast detail you can see.)

Crazy how much better the onyx looks on camera

Do we just want clear filters for white phos? If so who makes the best ones?

Anyone knows any filter to turn black & white to white p?

I bought two for my set , they are blurry and do not fit AN/pvs14’s. I modified them to fit and tried them for a night . Maybe my eyes are just bad but it actually turned my greens to black and white. I have great spec tubes and these filters really made things blurry.

When you reported that the filtered side vs unfiltered was just less green, were you viewing both tubes at the same time? I wonder if there was a brain trick happening where it was trying to rectify the images being different and "artificially" made the filtered side appear to still be green? Or, if you have a lot of time under your nods, maybe the brain expected to see a more green image and and again added a green tint to how you perceived the image? Just a couple theories. Of course there is also the fact that a camera is not an eye, and maybe doesn't reproduce the same filtered image to an eye as it does a camera.

Maybe someone here can help me... Does anybody know how it's possible to see green in one eye and blue in another in an armasight nyx 7 pro?? By the way, the tube is a green phosphor gen 2+.... I suppose it's a filter or something blue between the tube and the eye, but I'd like to hear your opinions hehe

I wonder how these compare to Low light industries one. cause onxy seems to be forever out of stock and customer service provides 0 response

So we can save money and buy green phosphor nvd’s now?

If you spent the price for the NOD on that website and balk at $50 (assuming that price to be per filter) more you've got screwy standards. If you want to be cheap only buy one at a time to test.

Think this might work on the pvs 7?

I ordered this and mines still green lol not black and white

Rods collect light, cones detect color. Cones are in the center of your retina, with the cones concentrated in the middle (known as L-Cones) picking up longer wavelengths of light which includes red light. At night, with little to no light, your peripheral vision will be able to “see better” as the rods surrounding your retinas are picking up the light, but since there is no color to pick up, you end up with a blind spot in the center of your vision. This phenomenon called the "purkinje shift" where during low-light conditions, the rods in the eye become more active, and the cones responsible for color vision are less sensitive. This is one reason why red light is used in low/no light conditions. The other reason red light is preferred at night because it has a longer wavelength, making it easier on the eyes in low-light conditions. It helps to preserve night vision by causing less disruption to the rods in the retina, which are more sensitive to shorter wavelengths (like blue and green light). Keep in mind all visible light travels the same distance and speed regardless of color, thusly contracting your iris the same, resulting in needing to reacclimatize your natural night vision after exposure. Pro Tip: close your dominant eye and expose only your non-dominant eye to light sources during night ops. This way, you save the half of your natural night vision that matters, while the other half comes back.

They are so cheap I threw some in my basket to give it a try. Should be in tomorrow

i just wasted 4 min lmao.