RE: Camera's

["Brian G. Reynolds" <brian.g.reynolds@xxxxxxxxxxxx>]

Hi Anthony,

I have 2 stand-alone systems here and one of them I have done the same as
you have and I have no problems. Some cable lengths are very long and
terminate in a Maplins 19" rack case that delivers all the power to
the cameras along the same CAT5e cable, I do not think this is the correct
thing to do but hey, it works...

I have 1 colour camera of a bit better quality and Sometimes this causes my
B&W cameras to get lines moving across the screen, if I change the
colour to B&W the problem stops. Does not happen much so not bothered.

I also have a MV1000 system with quality cameras which, when it works, is
not too bad, the problem being, when it works.

I will have a look at what cameras I have, I bought a few from a B&Q
sale some year or so ago and they are dubious quality.....

Come and join in the "GeoVision" bulk buy that Stephen Jones is
kindly looking into if you have not already?

Funny thing is, I do not need the CCTV systems for security but I have got
very used to being able to look around....

B.

-----Original Message-----
From: anthony.kirrane@xxxxxxx [mailto:anthony.kirrane@xxxxxxx]
Sent: 13 April 2004 11:53
To: ukha_d@xxxxxxx
Subject: [ukha_d] Camera's


Hi All

Decided to install a camera I have had for about 5 years but never fitted.
It is a Micromark which I bought from Wickes some five years ago.  Anyway I
fitted it on Saturday.  As I had to cut the ends of the supplied cable
anyway
in order to get in through 8mm diameter holes in my house walls I decided
to
replace the supplied cable with Cat5.  So I cut the Din plug off the
supplied
camera wire at one end and connected it up to individual wires in the Cat5
cable.  At the other end of the Cat5 I reconnected the original camera
supplied wire which has a scart plug on the end.

It works...to a degree.  The camera has a very poor picture quality. 
Objects
real close are okay but anything further away than 2 metres is barely
distinguishable.  Also the brightness/contrast is real poor. Anything
farther
than 2 metres with even the smallest amount of light reflection shows up
with
glaring bright white.

So my question is:  Do you think the poor picture quality is just because
of
the cheapo camera or is Cat5 not suitable for this type of application.  I
have taken the housing off the camera and tried to adjust the focus.  Also
found a potentiometer that had the word brightness printed on the PCB.  I
turned this but it had no effect whatsoever and in fact turned infinitely
both ways.

Regards


Anthony


Kind regards


Anthony Kirrane
Application Services
Syntegra
Tel: 01245-458070
Web: www.syntegra.com




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