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  1. M

    Night Vision Lifespan of Thermal Optics?

    Thermal devices don't have clearly defined MTBF numbers. There are no known degradation mechanisms except general aging of electronic components and displays, potential degradation of sensor seal, etc. System-level MTBF analysis is a complicated task that rarely brings meaningful results for...
  2. M

    Night Vision Which NVision Product

    It's a bizarre story. Please, if you are in contact with the person to whom you sold your Halo-LR, and this person still has any performance issues, have him contact us. I would be very interested to see what is going on with this scope and promise to report our findings here.
  3. M

    Night Vision Which NVision Product

    I never heard of Halo-LR zoom changing the point of aim. I'm pretty sure this problem was _never_ reported to N-Vision Optics' customer service. Zero questions - there was another thread on this forum, but considering how long nobody was interested in it, your experience here seems to be very...
  4. M

    Night Vision Nox 18 unboxing and first thoughts

    @stefan73, chalcogenide lenses are widely available today. However, choosing the right lens is a system-level question, and it's always a compromise. Chalcogenide is great because of its thermal stability and no need for athermalization. However, "light" loss in the chalcogenide lenses is...
  5. M

    Night Vision Nox 18 unboxing and first thoughts

    It's not a stupid question; it is an excellent question. Flipping the mount is not a "must-have" for use on the left eye. However, there are a few considerations in favor of flipping the mount for the left eye use: 1. If the NOX is dual-mounted with another NOX or something like a PVS-14...
  6. M

    Night Vision N-Vision HALO-XRF

    Hi ILya, I remember our conversation at the Shot Show last year very well. Still thinking about it. The platform to do some cool things is ready. Bandwidth is a problem at the moment :-)
  7. M

    Night Vision N-Vision HALO-XRF

    There is a separate LRF reticle (box) that is showing where the LRF is pinging. It is not locked to the aiming reticle.
  8. M

    Night Vision Nox 18 unboxing and first thoughts

    Having clip-on with zoom functionality makes a lot of sense if the display resolution is much higher than the sensor's resolution. The user may benefit quite a bit from an intelligent display driver that should, as a minimum, perform a nice interpolation. The display's image zoomed in with a...
  9. M

    Night Vision Nox 18 unboxing and first thoughts

    I'll have to think about this. There should be some complications because the clip-on is normally zoomed relatively to the dead center of the image (the center of the thermal image does not move while zooming). But in the most general case, when the scope's reticle does not align perfectly...
  10. M

    Night Vision Nox 18 unboxing and first thoughts

    Of course not, as a minimum, because not all scopes have athermalized objective lenses. Athermalization is pretty easy to implement, and most of the time, it works well. However, athermalization is mostly used for fixed focus scopes. The motion of athermalized lenses is linear, and, normally...
  11. M

    Night Vision Nox 18 unboxing and first thoughts

    It is a little strange because the math to prevent the POA from shifting with zoom is quite simple, and I think it's implemented in all modern scopes. Unless, as pointed above, the shift is not scope related.
  12. M

    Night Vision N-Vision HALO-XRF

    It may take quite a bit of bugging. I kind of think skinned :-). But I'll think about it. No promises one way or another.
  13. M

    Night Vision Halo LR running review

    Strictly speaking, this configuration, while not impossible, does not fit a conventional definition of a "clip-on" :cool: It is more analogous to a magnifier behind a collimator/holographic sight.
  14. M

    Night Vision N-Vision HALO-XRF

    You are correct. You can have a continuous scan on for a while. The LRF does draw a bit of power, but it is not terrible. Turn it off when you don't need it, and you will hardly notice it. Or have a spare set of batteries, and you'll certainly make it through the night with all bells and...
  15. M

    Night Vision Halo LR running review

    Halo-LR does not work as a clip-on.
  16. M

    Night Vision N-Vision HALO-XRF

    Correct. It's a button that is closest to the eyepiece. If you run the LRF in the continuous scanning mode it should not be too much of a burden.
  17. M

    Night Vision N-Vision HALO-XRF

    Yes, we could, but I can't promise that we will.
  18. M

    Night Vision N-Vision HALO-XRF

    No remote controller for Halo-XRF and no ballistic calculator. Just a straight-up LRF. We may think about the ballistic calculator later but it's not in the immediate development plans. The good news is that the software is now user-upgradable :-)
  19. M

    Night Vision Nox 18 vs 35... Max? Anyone else?

    Sorry for the misunderstanding. If the device to be used for walking and scanning, I'd think that the Nox18 would be your better bet. If uncertain about the PID, you can always fall back to your trusted PVS-30. However, based on what we see, I doubt that you'll have to do it too frequently.
  20. M

    Night Vision Nox 18 vs 35... Max? Anyone else?

    I think that @SkyScrapin covered it quite accurately and there is very little that can add. The Nox18 is easier for head-mounted use because of the almost twice the field of view. Walking around with 18 is quite comfortable but you have the PVS-14 and I suppose it's going to be your primary...
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