Re: Outdoor CCTV problem

[Jim <alarminex@xxxxxxx>]

On Nov 16, 8:26=A0pm, Robert Macy <robert.a.m...@xxxxxxxxx> wrote:
> On Nov 16, 4:16=A0pm, Jim <alarmi...@xxxxxxx> wrote:
>
>
>
>
>
> > On Nov 16, 3:37=A0pm, Robert Macy <robert.a.m...@xxxxxxxxx> wrote:
> > Without spending too much time in decipering spec's for you here's
> > what I see:
>
> > > Would you post a list of 'considerations' to take into account?
>
> > > Especially be useful if you were to add the 'minimum' requirements, o=
r
> > > why the spec is important to a 'self installer'.
> > > List examples
> > > 1. Line resolution, where 360 to 400 sucks, but 540 to 600+ will
> > > fulfill expectations?
>
> > The higher the resolution, the better the picture. However, it doesn't
> > make sense to buy just cameras with 600 lines of resolution but have a
> > DVR and monitor that can only produce 400 lines. ( and really this
> > defines the answer to most of the rest of your questions)
>
> > > 2. Wireless: how to discern the channel spec to make certain ALL the
> > > channels will work TOGETHER! Are their effective add on modules?
>
> > I think it was you that I mentioned it to before ..... wireless
> > "anything" is part magic. There's no predicting how well it will work
> > in any given installation. There are to many outside factors that can
> > cause a problem. That is the reason that most professionals will not
> > use it. You can't know if it's going to work until you try to set it
> > up.
>
> > > 3. LUX requirement: you said 0 LUX, which implied [to me] no light is
> > > required, the cameras have their own. =A0I've seen 30ft and40 ft rang=
e
> > > cameras.
>
> > The spec's regarding Lux capability are muddled for the most
> > part .... =A0I suspect most times on purpose by the manufacturers.
> > Especially where infrared lighting comes into the picture. There are
> > cameras that can see a news paper headline at 30 feet on a starlit
> > night without infrared. Probably in the area of .000001 lux. Very
> > expensive cameras. That's why infra red lighting is predominent. It's
> > less expensive. When using cameras with infrared lighting, the spec's
> > will tell you what the viewing range is at night with the infrared
> > LED's on. However, take whatever they say and devide it in half and
> > sometimes more. I've seen some cameras rated at 50/60 feet do a
> > terrible job seeing anything identifiable at 20 feet.
>
> > > 4. size of CCD
>
> > Normally the larger the CCD the better but most cameras nowdays come
> > with 1/3 inch. The larger the CCD the more expensive the camera. 1/3
> > inch is the median size between 1/2 and 1/4 inch.
>
> > > 5. Lensing/angle of view.
>
> > There are nomographs available on line at various websites ( google
> > it) that will help you determine what size lens will give you what
> > angle of view a what distance. Measure your requirements and see if
> > the lens on the cameras will give you what you are looking for.
>
> > > I've been wading through specs for a while and keep tripping over
> > > features I do NOT care about...internet images, 3G phone images etc.
>
> > Just ignore them if they are of no interest. They will not effect the
> > spec's important to you.
>
> > > I need a way to view around our property 24/7 while occupying the
> > > property. and don't say go out and look, because there are too many
> > > blind spots.I need a way to have motion detector(s) go into alarm, an=
d
> > > switch the view of the TV system away from entertainment to the camer=
a
> > > catching the motion. and then be able to switch back. =A0The idea of
> > > digital recording in the manner of the TV entertainment system does
> > > now would be ideal. =A0I've gone through 10 VHS tape machines, and
> > > mechanical reliability sucks.
>
> > There are not too many VHS tape machines around anymore. Stick with
> > hard drive DVR's
>
> > I don't know what your particular goal is so I don't know why you
> > would need additional motion detectors. The DVR shown on the website
> > has built in motion detection with alarm notification/output. You can
> > use this to activate ...... "something" that will cause =A0your TV to
> > switch to the proper input or to PIP. There are a number of ways this
> > can be done. But you'll have to figure that part out for your self.
> > However, this could be quite annoying if a raccoon keeps interrupting
> > your favorite TV program. Or, what if you don't have your TV on and
> > there's motion. I'd suggest a seperate monitor(s) with a soft beep
> > when motion is dectected or IPhone notification.
>
> > > Is this a good 'starting' system that removes much of the decision
> > > processes?:
>
> > I just read over the spec's briefly and I didn't see any reference to
> > the resolution of the cameras. It doesn't mention =A0if there is built
> > in =A0Back Light control ( which may or maynot be important to you
> > depending upon what you are looking at) With the cameras only rated at
> > 40 foot vision at night that says probably it's only 20 feet. There's
> > no indication of the frames per second and the ability to adjust them
> > for the DVR. No indication if the DVR will give you a pre alarm
> > recording to see the events that led up to the motion alarm. The focal
> > length of the lens is not mentioned for the camers at all so you don't
> > have any way to determine what field of veiw you're going to have. Are
> > there any adjustments at the camera? If there are, do you have to
> > disassemble the housing to get at them. If you are going to want to
> > view this from off site, it doesn't really say how that is
> > accomplished. Some of these devices require a fixed IP address in
> > order to view from off site. It would be nice to be able to see an
> > installation manual for the DVR to see what it's going to take to set
> > it up. Particularly if you're using remote viewing. By the way, with
> > regard to seeing what's going on from within your home, you should be
> > able to address the DVR on your local network from any computer on the
> > network. However, as far as remote viewing or viewing via IPhone etc,
> > if you've never port forwaded a network router, you may need the
> > assistance of someone who can help you do that. Keep in mind that as
> > much as you may not think you want remote viewing, you may actually
> > find it convenient to get an E-mail on your IPhone, even while your at
> > home .... but not near a monitor, .... =A0to say nothing of knowing
> > what's going on at home while you're on vacation or even just out
> > locally shopping, etc. =A0You're buy the DVR and it has this
> > capability .... why not take advantage of it?
>
> > I've only broached the tip of the iceburg here. As you can see and as
> > I mentioned earlier, it takes more time to type stuff like this out
> > for you, than it's worth. It takes lots of seminars, reading,
> > experimentation and on the job expererience to get this stuff right.
> > That's what professioals bring to you that lot's of people don't
> > recognize. In other words ..... you don't know what you don't know. So
> > you don't even know what questions to ask. It'd be worth it to educate
> > you if you were going to have me install your system..... but .....
> > you're not.
>
> > Maybe someone else will be good enough to pick it up from here.
>
> > Good luck.
>
> > > <http://www.tigerdirect.com/applications/SearchTools/item-details.asp=
?
> > > EdpNo=3D7132707&Sku=3DQ300-2792>-
>
> Thanks for the detailed response.
>
> Always here, no network, no iPhone, did I mention no network?
>
> Your idea of simply alarm dedicated monitor is what I used to do, back
> when the cameras were vidicons. =A0How much is a starlight camera? no
> LEDs-

I have no idea.
If I want to read the newspaper, I wait till there's enough light and
I hold it pretty close to where I am.