fwd: night vision was. snip NVGs

[festusdirk@xxxxxx]

this weekend there has been some t2k-traffic on night-vision that might be
interesting  for you too. i´m just sending one example, you could look up the
rest quite easily. (i know the e-groups/yahoo discussion, but at least so far
they haven´t actually fucked anyone i know...)

festus

From: "SFC Robert Munsey" <projectdirector@yahoo.com>
To: <t2k@yahoogroups.com>
Subject: RE: [t2k] Couple questions-NVGs

>  Justin hit is pretty good.
> As far as my experience let me add a few more…The NVGs work very well at
> night when the Moon is out, and not very well when the moon
> isn’t. Thus the fully the moon the better (more definition) the user will
> have. The same holds true for overcast sky at night. It
> doesn’t help. Now you can make the situation better by using IR
> illumination, but remember that if you can see it, the bad guys can
> to. IR illumination can come from a simple source, such as a standard
> military flashlight with the red and blue lens used jointly or
> turning on the IR illuminator on the NVG (Such as in the AN/PVS-7b). The
> PVS-7b has a LED IR source used for close up, (Which you
> can adjust the focus to read) but with an attachment, the little LED can
> flood the immediate area. Remember the bad guys can see you
> too.
> ALSO remember that the user loses his/her night vision when using any
> night vision aid. (The person is looking into a light source)
> and their night vision is ruined for at least a half an hour.
> Now remember that most NVGs use a monocular assembly, meaning there is one
> image tube (the tube that intensifies the night) for both
> eyes. So that is where the depth perception problem comes in. Now most
> light units (and some heavy, such as 1sy CAV, 1sy Armor, 1st
> INF, and 4th INF) have the AN/PVS-14 which is a monocular assembly, so the
> user has one eye that has night vision and one eye that
> is not tuned to the night (again at least not for a half an hour).
> The neat thing about the AN/PVS-14 is that it can be used with the M68
> close combat optic.
> 
> Well enough ranting
> Muns

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