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Posted: 4/28/2013 1:56:52 PM EDT
| Are the pvs 7B/D interchangeable with a pvs 7c? I am thinking about going with a different body style but don't know if front lens and tube can be used with the change? Any help would be appreciated |
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I don't have hands on with the A/C models but have been lead to believe they are not compatible (tube probably yes, lenses probably no).
Beyond that, you will pay a lot out of pocket for a PVS7B/D style housing. If you're already willing to spend $800-1000 on the new housing, take that $800 and add it with the $1200ish your goggles are worth, and step up to a used monocular system like a pvs14 or one of the ABnightvision housings that accept mx10160 tubes. |
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Quoted:
What exactly is the difference in A/C to B/D other than the obvious visual ones. The B/D is basically just the later model and has been simplified for production. There has been alot more work go into the manufacture of the A/C unit than the B/D unit. I personally prefer my 7B unit over the 7A but thats just personal preferance. |
If you are looking for a head mount for the PVS-7A/C, keep an eye out for the old Litton head mount. They actually work pretty well, although they are not the easiest things to find. There are also 2 models, a flip up and a fixed one, you definitely want the flip up if you have a choice. The one shown below if the fixed version (with an adapter shown mounted in it). You have to either remove the NV unit or take off the entire thing, if you want to remove the NVD from your eyes. Both of which aren't good things when using a bi-ocular unit as you may have to do it frequently. It would be less of an issue with a monocular, but it can still be a problem.
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I didn't really appreciate the nickname "Skull Crusher" till I put it on, damn, its like the government wanted to make you pay in pain for the enhancement of being able to see in the night, I even heated mine to bend the sides out, and it was still horrible.
It even made my old PASGT helmet with the older liner even feel good, compared to it. The Litton one is interesting, but, I am sticking with one of my two helmets. |
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The PVS-7 A/C or B/D can be complicated. If you are dealing with recent tubes they pretty much fit all. Older tubes can be complicated due to the battery contact design on the tube. In the early days Litton had their design and ITT had another. They both had proprietary tubes until the Gov stepped in and said enough is enough. The ITT design eventually won out. Both are good scopes though the ITT version is easier to work on and parts are more available. The older tubes are the same size but have different contact designs which is why some old tubes won't work.
The older tubes are getting rare so it is less of a concern today. |
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