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CCTV Camera
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What Field of view do I need on my CCTV security camera?
I have to order a few CCTV security Cameras and I’m not sure what kind of field of view I need. I’m looking for just a wide shot.
If this is a residential installation most install I’ve done are just fine with the common 3.6mm lens. If this is a commercial installation I recommend getting some cameras that have a varifocal lens and order a lens with a 5 to 50 mm range. It might be over kill by a little bit but with the 5-50mm lens being twice as big it allows around 4 times more light into your camera giving you a better look on the monitor and recorder.
This is where I get them from.
http://www.discount-low-voltage.com/cctv.html
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Attempted burglars caught on CCTV camera
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Article With Refrences to CCTV Camera
Infra-red bounce from number plates has always been an issue with CCTV Cameras. Some cameras will allow you to view number plates during daylight hours but as it gets dark and the camera infra-red switches on so the number plate appears as a white rectangular box.
A new model KS-848VR introduced by DDS (which has a resolution of 540TVL, SONY SuperHAD CCD with SONY DSP together with 8-40mm Auto-Iris Lens) will allow you to view number plates upto 25m away with head-on headlights. To view number plates with headlights on, the camera needs to be zoomed in to cover no more than 3m width. To obtain optimal results at 25m distance, the camera needs to be mounted 5m above ground level. Likewise, to obtain optimal results at say 10m distance, the camera needs to be mounted 3m above ground level.
This CCTV Camera is a 1/3" SONY SuperHAD CCD based unit with Day & Night viewing and a Vari-focal 8-40mm lens for long range applications. For night use the camera has 8 pcs (Hi-power) and 22 pcs (standard) IR LEDs giving it a Night Vision range of ~ 70m (manufacturer claims 80m).
1/3" SONY SuperHAD CCD with SONY DSP
* Resolution options: 420TVL and 540TVL
* 8 pcs (Hi-power) and 22 pcs (standard) Infra-red (IR) LEDs
* IR range ~70m
* Vari-focal 8mm-40mm Manual Lens, adjustable
* Vari-Focal Controls under base (Zoom & Focus)
* Read license plates with headlights ON upto 25m
* Weatherproof (for Internal & External use), IP65
* Illumination 1 Lux day, 0 Lux night
* Auto AGC, BLC
* Includes sliding sunshade
* Cable managed Bracket
* Colour: SilverPublished on November 14, 2004 · Filed under: Home Security; Tagged as: camera, cctv camera housing, cctv camera lens, cctv camera mounts, cctv camera power supply, cctv camera pros, cctv camera reviews, cctv camera systems, cctv cameras, cctv cameras for sale, cctv cameras with audio, security, surveillance, video, webcam
US $79.95
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