Re: Camera Suggestions

[J. Sloud <jsloud@xxxxxxxxxxxxxxxxxxxxxxxxxxx>]

The cameras I had in mind offer .03C-.08C thermal resolution with a
pixel resolution of 640X480.  Depending on the field of view selected,
humans can be detected at a distance of at least 4500m.


Sat, 2 Jul 2005 10:38:17 -0400, "RF Dude" <post@xxxxxxxxxxxxxxxxx>
wrote:

>For $10k you get an  infra red (not near IR) camera with just under 20,000
>pixels from Fluke/Raytek and this price is considered a breakthrough.  The
>camera can resolve 0.25C (bolometer limitation).  With this pixel count, you
>won't see details sufficient to distinguish or identify people.  The cameras
>from FLIR and others that start at the $25k price point offer 0.1C
>resolution because of a premium bolometer.  The lenses in true IR cameras
>are made of germanium.  As the price increases you get more pixels, but I
>hear that civilian cameras are restricted to 100k pixels or less.     The
>military have IR cameras that have gone megapixel and can provide the kind
>of resolution necessary in J.Sloud's comment below.
>
>"J. Sloud"  wrote in message
>> Thermal imaging infrared cameras typically are used in outdoor
>> envirornments
>> to view objects up to several miles away.
>