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Night vision?

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  • #16
    SemiAutoSam
    Banned
    • Apr 2006
    • 9130

    I was thinking of a one man setup.

    Think of it this way also when you use a IR light you give away your position to everyone that has NV and even those that have starlight scopes that do not require an IR source. He knows where you are but since he does not need a IR source you dont know where he is.

    My ANPVS4 works better than first gen. and does not require a IR light source.



    Originally posted by ar15barrels
    Your spotter holds his NV binoculars and the IR illuminator and gives you the dope.
    Last edited by SemiAutoSam; 10-05-2007, 8:37 PM.

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    • #17
      E__WOK
      Member
      • Oct 2005
      • 480

      Get Gen 3 or nothing at all.
      Feedback

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      • #18
        ar15barrels
        I need a LIFE!!
        • Jan 2006
        • 57099

        Originally posted by SemiAutoSam
        I was thinking of a one man setup.
        Any shooting one man can do, two men can usually do better.
        Randall Rausch

        AR work: www.ar15barrels.com
        Bolt actions: www.700barrels.com
        Foreign Semi Autos: www.akbarrels.com
        Barrel, sight and trigger work on most pistols and shotguns.
        Most work performed while-you-wait.

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        • #19
          AJAX22
          I need a LIFE!!
          • May 2006
          • 14980

          I've got an old Military Starlight Scope in my box of goodies... I can't find bateries for it (yet) but I've heard that there are gen 3 upgrade tubes available for it.

          Mine was free, so even if its not the best out there It's better than what I had and a good value
          Youtube Channel Proto-Ordnance

          Subscribe to Proto Ordnance

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          • #20
            4 Brigada
            Senior Member
            • Apr 2007
            • 2119

            CA laws, really dumb in every sense, passive system ok (harder to detect) active easy to detect illegal. Modern warfare rules if you broadcast or emit anything your dead. Hunting at night is illegal in CA, dont know not a hunter anymore.
            Last edited by 4 Brigada; 10-05-2007, 9:43 PM.
            I have neither the inclination or the time to relieve people of the regional and ethnic handicaps that they inherited from their ancestors.

            You should banish any thoughts of how you may appear to others.
            Marcus Aurelius

            "I won't be wronged, I wont be insulted, I won't be laid a hand on. I don't do these things to other people, and I require the same from them."
            the "Duke" in the shootist

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            • #21
              Sydwaiz
              Veteran Member
              • Feb 2003
              • 3512

              Originally posted by 4 Brigada
              Hunting at night is illegal in CA, dont know not a hunter anymore.
              Depends what and where.
              ____________________________________

              A government is a body of people usually notably ungoverned.

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              • #22
                dwtt
                Calguns Addict
                • Oct 2005
                • 7470

                These "night vision" scopes are image intensifier scopes. They take the small amount of available light, less than what our eye balls can see, and intensify it to make an image our eye balls can see. These don't need any IR illumination because their photosensitivity is in the visible region, just like our eye balls, and you don't need any IR illumination. If you do use IR illumination, you would use near IR illumination to light up the subject, but then our CA laws would make that illegal. As you don't use an IR illuminator, it's perfectly legal.

                First Gen use a photocathode that is made up of alkali photoemissive material deposited on the inside of the objective lense. It's not stable over time and will degrade over the years, lasting maybe 3-10 years, depending on how it's used. Second generation devices use the same photocathode material, but have higher gain, or image brightness, than Gen 1 because they use an internal image intensifier device called a microchannel plate. Gen 2 has the same problems associated with Gen 1. Gen 3 is where the real breakthrough came where the photocathode surface is a GaAs thin film with an engineered energy band structure to improve it's photosenitivity over the Gen 1 &2. To those solid state physicists out there, Gen 3 has negative electron affinity. The Gen 3 photocathode material doesn't degrade over time like the Gen 1 &2, but will only fail if the internal vacuum of the phototube fails or the voltage applied induces too high a photocurrent, but that isn't likely because the image intensifier's electronics won't allow you to do this.

                The systems made by companies like FLIR systems are not sensitive in the visible light regime. They operate in the long IR if it's for thermal imaging, or near- or mid-IR if they need higher resolution imaging without the need for visible light illumination. These systems typicall use focal plane imaging devices made from InGaAs or other similar materials, and are much more expensive than the relatively low resolution image intensifiers used on rifles.
                Last edited by dwtt; 10-06-2007, 10:18 PM.

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                • #23
                  Clodbuster
                  Senior Member
                  • Oct 2005
                  • 1103

                  Not really.

                  Attached is a picture of a tree from the Paladin taken with a cellphone camera. Picture doesn't do the actual scope image justice. It's actually very sharp (cross hairs are crisp, and you can see the leaves blowing in the breeze) and a bit brighter. This is without an IR light source. Tree is 80yds away and illuminated by a very faint street lamp.

                  Clod

                  Originally posted by SemiAutoSam
                  This kind of scope is useless without the IR light sourrce. .
                  Attached Files

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                  • #24
                    xenophobe
                    In Memoriam
                    • Jan 2006
                    • 7069

                    Originally posted by edittman1
                    ATN, which seems like a quality and reputable company.
                    lol...

                    ATN. Reputable. In the same sentence even. lmao

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                    • #25
                      m24armorer
                      In Memoriam
                      • Feb 2006
                      • 1422

                      ATN or was that M.

                      Russian junk, gen 2+ pushed as gen 3. Oh yes I've been the SF warehouse.

                      Litton, ITT or die!
                      07 Class II in the Bay area.
                      Enjoy the silence.......
                      sigpic
                      Celebrating our madness for over
                      50 years.


                      Only two defining forces have ever offered to die for you, Jesus Christ and the American Soldier. One died for your soul; the other for your freedom.
                      - George Patton

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                      • #26
                        Calm Down
                        Member
                        • Oct 2007
                        • 340

                        The way I read the law, only night vision scopes with magnification that are mounted to a firearm are illegal. A PVS-14 mounted behind an Aimpoint M2, as I have, is perfectly legal. Before you combust, let me state my simple logic for my belief. The law states "Sniperscope means any attachment, device or similar contrivance designed for or adaptable to use on a firearm which, through the use of a projected infrared light source and electronic TELESCOPE, enables the operator thereof to visually determine and locate the presence of objects during the nighttime." The key words is "telescope". A telescope by definition magnifies an image. Hence my set up it complete legal even with a IR illuminator.

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