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Re: IR Illuminators



Could you use an occupancy sensor to turn a light on when on the errant
daughter returns.?

Doug

--

"Sue" <sodom@xxxxxxxxxx> wrote in message
news:46680b14$0$9958$4c368faf@xxxxxxxxxxxxxxxxx
>I now understand after doing some research that the IR Illuminators that
>work with cameras 1-1.5 lux, at least the ones Axis puts their name on,
>cost in the neighborhood of $500.  Yikes!  I shouldn't expect much from
>Hong Kong for $20.  At least I got a usable power supply.  :-)
>
> "Doug" <not@xxxxxxxx> wrote in message
> news:DgT9i.428592$115.176368@xxxxxxxxxxxxxxx
>> Day/night doesn't mean day/pitch black and a day/night camera will still
>> need a certain amount of light to perform even when in the "night" mode.
>> Most inexpensive LED illuminators don't perform as advertised, since a
>> low light or day/night camera needs less light to produce an image then a
>> poor performing illuminator will yield the best results on a camera that
>> needs the least help. So the vendor is right in a sense, but what he
>> should have said "you need a low lux camera to take advantage of the piss
>> poor illuminator I've just sold you"
>>
>> Doug
>>
>> --
>>
>> "Sue" <sodom@xxxxxxxxxx> wrote in message
>> news:4667fc3d$0$19528$4c368faf@xxxxxxxxxxxxxxxxx
>>> Well, there you go.  Now I'm thoroughly confused.
>>>
>>> I have several day/night cameras, some really cheap, one is somewhat
>>> expensive.  They work great.  But I also have some very expensive high
>>> end cameras, such as the Sensormatic Speeddome Ultra VII, and the Axis
>>> 213 which are not day/night, at least not automatic day/night.  These
>>> are the ones I need the extra illumination for.  What would I need
>>> illumination for on cams that already have day/night?
>>>
>>> I bought an IR illuminator on ebay thinking that I could use it with the
>>> Speeddome Ultra VII inside my house so that my daughter could not sneak
>>> back to her room after being out half the night, but I can't see squat
>>> because it's so dark.  It has 48 LEDs, but doesn't illuminate worth a
>>> damn with that camera.  I tell the seller, he says "you need low lux
>>> camera to take advantage".  That's like giving Dolly Parton a boob job
>>> if you ask me.
>>>
>>>
>>> "Jim" <alarminex@xxxxxxx> wrote in message
>>> news:1181149844.346116.83250@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>>>> On Jun 6, 7:56?am, "Sue" <s...@xxxxxxxxxx> wrote:
>>>>> Easy question, does one need a very low lux camera to take advantage
>>>>> of an
>>>>> IR illuminator?  If so, how low?  Thanks.
>>>>>
>>>>> Sue
>>>>
>>>> Actually the opposite is true. The more IR illumiators that you have,
>>>> the less low level light sensitivity the camera needs. ( assuming it's
>>>> a color day/night switching camera)
>>>>
>>>> There are low light level cameras that don't need any illuminators.
>>>>
>>>
>>>
>>
>>
>
>




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