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  1. compasscall

    Night Vision INTENS™ Night Vision Revolution

    Some performance highlights: Bandwidth sensitivity from 400-1000 nm. Typical 2,000 FOM and signal to noise ratio of 30. INTENS? Image Intensifier Tube - PHOTONIS
  2. compasscall

    Night Vision INTENS™ Night Vision Revolution

    Even though real info is scant, that which is on the website sure makes this tube tech a bot tantalizing. INTENS? by Photonis
  3. compasscall

    Night Vision AN/PVS-4 Gen 2 and Gen 3

    Thanks guys, it's very much appreciated!
  4. compasscall

    Night Vision AN/PVS-4 Gen 2 and Gen 3

    Had some fun under the stars with a PVS-4, TVS-5 and a whole lot of tubes. Did not have time to finish the TVS-5 segments, unfortunate as that was my favorite due to the MK-880 being mounted to the TVS-5 objective. I'll revisit it at some point though. AN/PVS-4 with Gen 2 and Gen 3 25mm image...
  5. compasscall

    Night Vision Through the Tube Pictures

  6. compasscall

    Night Vision highly technical nod questions and some about the pvs 4 too. math gurus needed

    For clarity sake, the LAV-25A2 gen III tube (P/N 510-7330-306) is not a hybrid, super inverter or 3+1, it is just a standard double proximity focused module with a fiber optic inverter. A hybrid 3+1 tube is not bigger than a typical MX-9644/UV tube and is nearly as light, the weight is way less...
  7. compasscall

    Night Vision highly technical nod questions and some about the pvs 4 too. math gurus needed

    ghostwriter247, Halation is present in ESI single proximity focused tubes, the ones used in both AN/PVS-4 and AN/TVS-5 systems as well as many others. Though halation is not as apparent in ESI single proximity focused tubes as it is in double proximity focused tubes, it is present. It's...
  8. compasscall

    Night Vision highly technical nod questions and some about the pvs 4 too. math gurus needed

    The NightOptics units were rather stellar, really clean well performing systems. Not sure on all the resellers that bought these refurbished systems but the they should all perform similarly. If you can pick one up in the mid $2000 range, assuming your after a Gen III system, your paying a...
  9. compasscall

    Night Vision highly technical nod questions and some about the pvs 4 too. math gurus needed

    No, not a 3+1 cascade/hybrid but it is a very nice glass input FO inverting wafer tube (double proximity focused). That tube is the Gen III upgrade (MX-11620 P/N 510-7330-306) for the passive sight in the LAV-25A2. The tube is also a direct drop in for the AN/TVS-5 night sight, not...
  10. compasscall

    Night Vision Through the Tube Pictures

    A few more from a night of traipsing around... For more photos, go to this PB album Public Slideshow by cnoct | Photobucket didn't want to clog up the pages with massive picture files.
  11. compasscall

    Night Vision PVS-4 (Gen 3), PVS-12 Aquila, or D740 - which is better?

    Given the advancements of modern 18mm image intensifier over the 25mm image intensifiers, I'd give the nod to the Aquila. The PVS-4 in Gen III is a nice system but it's way over priced, stupid high pricing. Back before Night Optics sold of their stock, I believe they were selling in the upper...
  12. compasscall

    Night Vision IR Hunter; Mako Shark of Thermal Scopes

    LoL, Great White Shark, glad you found the humor!
  13. compasscall

    Night Vision New to night vision and flir.

    Thermal Clip on Requirements and Constraints: 1 - Thermal Clip On 2 - Budget of $5000 Option: IR Hunter w/collimating minifier is probably the only clip on thermal system that will come close to your budget. *The collimating minifier, needed to run the IR Hunter as a clip on, is...
  14. compasscall

    Night Vision How to change reticle unit on PVS-4?

  15. compasscall

    Night Vision IR Hunter; Mako Shark of Thermal Scopes

    No such luck, neither the collimator nor the video cable are included at least as it stands now. I'm a bit surprised on the video cable, it should be included period, no excuse for it not to be! Not so surprised on the collimator. Emailed them and found out that they are considering...
  16. compasscall

    Night Vision Through the Tube Pictures

    Yes but not of or through specific systems. I'd really like to see a bunch of white phosphor photos from both Photonis and Ekran WP tubes, preferably in 1x monocular systems. It takes a lot of time to take and post photos so not holding you to anything.
  17. compasscall

    Night Vision IR Hunter; Mako Shark of Thermal Scopes

    IR Hunter from IR Defense Here's a video in which IR Defenses VP of marketing (Devin Standard) goes a little more in depth on the IR Hunter and its designer (Scott Henry): IR Hunter, SHOT Show 2014 - YouTube I think Steve Jobs faked his death and is now masquerading as Scott Henry (Owner of...
  18. compasscall

    Night Vision Envis M703E weapon mounting

    Wow, almost speechless, thank you Delta4-3. The physicists, chemists, engineers, hobbyist and enthusiast that made this technology a reality sure did give us something to play with, thanks guys and gals. Really am thankful to live in this time and to be exposed to some many bind blowing...
  19. compasscall

    Night Vision Need help in re-focusing my anvis after a clean up.

    You did the problem solving on your own, I just energized the neurons. Awesome to know it's now operating as it should.
  20. compasscall

    Night Vision Need help in re-focusing my anvis after a clean up.

    Did you remove or other wise loosen the objective lenses? If you didn't remove the objectives, the issue is likely caused by an improperly seated image intensifier or improperly installed tube lock ring. Uninstall the tube on the affected side and carefully reinstall it. If you did then...
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