RE: CCTV

["Richard" <rich_lists@xxxxxxxxxx>]

I've never been too worried about my security images being too flat ;)



There are separate IR illuminators available from most of the CCTV vendors
with integrated CDS cell to turn on when its dark, they seem to do the
trick
without wasting GPIOs from your card on it.







From: ukha_d@xxxxxxx [mailto:ukha_d@xxxxxxx] On Behalf Of
Chris Hunter
Sent: Friday, April 06, 2007 1:22 AM
To: ukha_d@xxxxxxx
Subject: [ukha_d] CCTV




'trying to choose a CCTV camera ... some come with IR lamps built-
in ... and yet, in normal photography, having the lamps actually on
the camera is not a good idea, because it gives a very flat image ...
so, 'wonder, has anyone tried mounting the lamp separately from the
camera ... 'suppose it might involve having some light sensors, too,
so the lamp came-on only when needed ... our digital imaging PCI card
has a multi-channel GPIO daughter-card, which should allow such
possibilities ...

'still can't decide which camera to buy ...



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