Question about US Night Vision Ultra PVS-7B Goggles

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PVS-7B NIGHT VISION GOGGLES

Hello, recently i purchased a used pair of night vision goggles. the first day they worked great, i was thrilled. i followed procedures on how to turn them on. (procedures were on the web). the second day however i noticed that the IR light inside the left eye goggle was flickering. it would grow dim and then turn out. the night vision stopped coming on after that. i checked and rechecked the batteries(new).any time that i tried powering up i made sure i was in a dark room with the unit attached to my head mount.I can still see the IR light now and then, but not always. I then tried resetting using the side reset button but to no avail. Can you please tell me if i am doing something wrong? am i missing some step or steps?. rather than do anything else, i would appreciate some professional help. Thank you, Patrick

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Posted on Jan 02, 2017

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stewbison
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SOURCE: Looking to buy a used pair of pvs 7 nightvision

Hello, that is normally to have some black spots. Now, if tries to tell that this Military spec. He wrong. Two black spot on any image tubes used by the US Military is rejected, they only allow one black spot and that if everything else is OK. How fuzzy is around the outer circle of the image tube. If there is a uniformed green pattern through out the scope. I would say it was OK. But remember "Buy be Aware". GB...stewbison

Posted on Sep 07, 2011

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stewbison
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SOURCE: I recently accuired a pair of an/pvs-7b night

Hello, there two things that can bad. One is the oscilator with voltage multiplier or the image intensifier tube. Send to Morrison Optics Co. GB....stewbison

Posted on Sep 24, 2011

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1 Answer

Is VFR with night vision goggles at night dangerous for civilian pilots?


14 CFR 61.1 (b) (12) and (13) Definitions-Night vision goggles and operations. 14 CFR 61.31 (k) Additional training required for night vision goggle operations. 14 CFR 61.51 (k) Logging night vision goggle time. 14 CFR 61.57 (f) Night vision goggle operating experience. 14 CFR 61.57 (g) Night vision goggle proficiency check. 14 CFR 61.195 (k) Training for night vision goggle operations. 14 CFR 91.205 (h) Instrument and equipment requirements for night vision goggle operations.

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I have an/pvs-7b night vision and need to replace my battery cap. The metal piece in side broke off???


Considering many vendors who sell parts are going to have a minimum order, Night Vision Depot for example has a 100 dollar minimum; you might consider trying to repair your old one or fabricating a new one. Otherwise checking on Ebay for one. On the other hand if you can fabricate a new one easily, you might consider being a vendor of that part too as you would not be the only person to encounter that dilema.

Jan 08, 2012 | ITT Night Quest 5001 Goggles

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Unit simply does nothing when its turned on. the IR assist still works. (AN/PVS-7B/D


Letto, This PVS-7B has a generation II image intensifier tube in it. The image tube is manufactured by ITT liton company. The only way to fix this wonderful NV devise is to send to ITT Night Vision Company. They are listed in the internet. Unless you can find someone to work on it, but the really need to know what they are doing. stewbison

Mar 01, 2011 | US Night Vision Ultra PVS-7B Goggles

1 Answer

My pvs7 wont stay on thay shut of after 30 seconds and then start to shut of ever few seconds


Hello, have you or someone else pointed this night vision devise at bright lights, street lights, head lights. If so, maybe the damage has/hasn't alread been done. STOP. This PVS-7 goggles with ITT image tube with generation 2 or 2+ or possibly generation 3 tube. The devise is an American made unit, and the best in the world. Nobody can compete with the USA on NV. They sat the standards on Night Vision.

Have you replace the 6 volt battery? Get the goggle in a darken room then turn the switch on.
see if the 25mm plate will turn green and stay on. But first replace that battery.
Therefore, if this test works, then never and I mean never shine NV devises into bright lights, it will destroy them every time.

PS. send me another message and let see what happen. stewbison

Feb 26, 2011 | US Night Vision Ultra PVS-7B Goggles

1 Answer

I am having trouble with my pvs 7 night vision. I can see clearly for about 60 yards. The IR illuminator is not working. What do I need to do?


OK, is the IR luminator working with a red glow. Don't look at it. Some these IR luminator have a adjustable lens that one can screw out or screw it in. If the IR isn't igniting then the LED could be bad , broken wire, or bad switch. stewbison

Feb 09, 2011 | Night Optics USA AN-PVS-7-3A Goggles

1 Answer

Looking to buy a used pair of pvs 7 nightvision goggles and owner says there are a couple of small black spots when you view is this a cause for concern and what else should i look for ?


Hello, that is normally to have some black spots. Now, if tries to tell that this Military spec. He wrong. Two black spot on any image tubes used by the US Military is rejected, they only allow one black spot and that if everything else is OK. How fuzzy is around the outer circle of the image tube. If there is a uniformed green pattern through out the scope. I would say it was OK. But remember "Buy be Aware". GB...stewbison

Dec 30, 2010 | US Night Vision Ultra PVS-7B Goggles

1 Answer

I recently accuired a pair of an/pvs-7b night vision goggles. When trying them out they didnt work. I checked the batteries already in them, there was no old crusty battery acid. I replaced them and still...


Hello, there two things that can bad. One is the oscilator with voltage multiplier or the image intensifier tube. Send to Morrison Optics Co. GB....stewbison

Nov 22, 2010 | US Night Vision Ultra PVS-7B Goggles

1 Answer

I need fix night vision goggles


Check l that the HV is present at tube. If it is, suspect tube. If not, check the HV circuit - these vary, but most competent electronics trained technicans should be able to fault find on these.

Nov 27, 2008 | Optics

1 Answer

Powering down


How long have you had the system? Did you purchase from USNV or private party? If from USNV why not call them up and send it in for repair. If from private party,,,,,that's the chance you take. Sounds like you have either a failing power supply or an electrical short somewhere. In any event the system should be looked at by somebody who knows about night vision. If purchased within the past 2 years it will still be under warranty.

Nov 27, 2006 | US Night Vision Ultra PVS-7B Goggles

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