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Re: Residential video surveillance questions

Jim wrote:
> On Wednesday, January 9, 2013 3:21:51 PM UTC-5, TomR wrote:
>> spam@xxxxxxxxxxxxx wrote: > On Tuesday, January 8, 2013 10:51:35 AM
>> UTC-5, TomR wrote: > >> I don't really know what a BNC type CCTV
>> Monitor is although I'm >> sure I >> >> could find out with a Google
>> search or two. But, do most of these >> security >> >> type DVR's
>> have the ability to play back on a regular TV if I wanted >> to do
>> >> >> that? > > A BNC connector (Bayonet Neill?Concelman) is the
>> quick > connect/disconnect (quarter turn) RF connector used for
>> coaxial > cable. Monitors made specifically for CCTV (Closed Circuit
>> > Television) systems usually have this type of connector on them,
>> but > many newer DVR's (since they are essentially a computer with
>> modified > video boards in them to accept multiple video inputs) now
>> come with a > VGA Computer Monitor connector and sometimes a BNC
>> output as well. > The second part (about playback on a "Regular TV")
>> begs the question: > What's a "Regular TV"? :) > It really depends
>> on the type of TV and what inputs are available on > it. Since most
>> flat screens don't have a BNC Input, I suppose if you > wanted to,
>> you could use the VGA to the Flat screen VGA Input, or you > could
>> buy adapters at Radio Shack or other electronics store to > convert
>> the BNC to RCA connectors which most if not all New TV's > have.
>> Before you ask, RCA connectors are the kind on most Stereo >
>> (Audio/Speaker) Cables/Connectors and Video Game Consoles >
>> (Audio/Video: Red/ White/Yellow) Cables/Connectors. > But yes, the
>> short answer is YES. :) Thanks again. For now, I am thinking of
>> maybe just installing a temporary system like this one:
>> http://www.securitywarehousestore.com/store/product.php?id_product=7300
>> . I can place the cameras in and the receiver in locations that are
>> secure. And, if we have a break-in or problem, I can go back later
>> and look at the video clips by playing them back on a TV etc.

> The resolution is pretty poor in multicamera view and you're only
> getting 15 frames per second. That means you will be getting a
> "jerky" picture playback.
> Don't believe the 30 foot night view spec, they're not usually as
> good as they say they are.. even on professionl cameras. so on a DIY
> system I would think it would be worse.
> If you're trying to see a large area, you're not gong to get a very
> good view of who the person is. You'll only know that "someone" was
> there. If it's a close up view of the person like someone standing at
> your door, it will work better, but will still be kind of blurry. At
> night I'm guessing it'll be all but worthless for ID purposes, unless
> they get up very close to the camera. I would investigate further on
> how you go about playing back the video. But for the price ..... at
> least it's "something".

Thanks.  That's good information.  When looking at the various specs, I
don't know enough about what they mean to know if the system will be
adequate or not.  But it sounds like it's not very good, especially if I use
more than one camera.  I think I'm going to keep looking around for
different options.

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