Re: Outdoor IR Cameras in Housings?

["Noweldrecumbent" <noweldrecumbent2@xxxxxxxxxxx>]

The camera worked in the outdoor enclosures after installing a 1/4" long
round plasic cylinder wrapped with black tape around the lens preventing IR
reflections. Lens cleaning in the future may prove to be difficult.
Dave

<noweldrecumbent2@xxxxxxxxxxx> wrote in message
news:dqsqh.44539$wc5.39559@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> Thank you for the suggestion. These cameras have a gasket around the lens
> preventing surounding IR lights around it from reflecting back into it.
> I'll experiment with a gasket between the housing glass and the camera to
> see if this works.
> Dave
>
> "Bob La Londe" <nospam@xxxxxxxxx> wrote in message
> news:45a9a3f5$0$4826$88260bb3@xxxxxxxxxxxxxxxxxxxx
>> <noweldrecumbent2@xxxxxxxxxxx> wrote in message
>> news:3adqh.34124$Gr2.8299@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>>>I would like to put Outdoor IR cameras inside metal housing but was told
>>>the IR Leds will reflect off the glass in the housing. The cameras are
>>>designed to mount stand alone. Is there anyway to set these up without
>>>removing the glass in the housings? They are being used in a very crime
>>>ridden area and the highest they can be mounted under eve is around 14
>>>feet off the ground. Thank you
>>> Dave
>>
>> The problem is that some light will be reflected back and the camera will
>> just see the inside of the glass lens.  Just like standing inside your
>> house at night and looking out.  You just see a reflection.
>>
>> HOWEVER there are some package cameras built that eliminate this problem
>> by having a rubber boot/gasket around that lens of the camera that rests
>> flat against the inside of the glass.
>>
>> I have used domes built this way.  With domes its difficult to get
>> everything adjusted and positioned correctly, but it can be done.  Just
>> takes times.  There are also some complete packaged cameras and
>> illuminators with a fixed focus that handle this nicely.
>>
>> I originally ran across this problem many years ago when trying to video
>> tape out a window.  A piece of cardboard around the lens to block the
>> reflection did the trick.
>>
>>
>> --
>> Bob La Londe
>> Fishing Arizona & The Colorado River
>> Fishing Forums & Contests
>> http://www.YumaBassMan.com
>>
>>
>>
>> --
>> Posted via a free Usenet account from http://www.teranews.com
>>
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