securitycctv Posted February 24, 2005 Share Posted February 24, 2005 Have purchased some ir switching external domes. Have not had very good results with them installed at customer premises. White out and rings, caused by ir leds reflecting inside the dome. Any one had similar or had ones with good results? Link to comment Share on other sites More sharing options...
Rich Posted February 24, 2005 Share Posted February 24, 2005 I have had the misfortune of installing those fixed lens IR led cameras. In darkness you get a big ring of light due to the pattern of the led's, I imagine these were better having a flat glass in front of the lens. I would avoid domed cameras with IR led's myself unless anyone could prove to me otherwise. Link to comment Share on other sites More sharing options...
ian.cant Posted February 24, 2005 Share Posted February 24, 2005 I agree with Rich, especially when you can buy seperate low voltage led illumination pretty cheaply. In domes they dont work so well, in an ordinary housing then there should be few problems. Link to comment Share on other sites More sharing options...
Brian c Posted February 24, 2005 Share Posted February 24, 2005 The lense is too far from the dome surface. Try modifying the internals to be closer to the dome, or if not, try using something like a thin slice of appropriate sized pipe lagging to sit between the lens and the dome. Haven't tried it myself, just what I've heard. If you don't know......ask. Link to comment Share on other sites More sharing options...
Nova-Security Posted February 24, 2005 Share Posted February 24, 2005 The lense is too far from the dome surface. Try modifying the internals to be closer to the dome, or if not, try using something like a thin slice of appropriate sized pipe lagging to sit between the lens and the dome.Haven't tried it myself, just what I've heard. 41666[/snapback] Normally the dome comes with a bit of foam to go round the lens, as bri said but this normally gets thrown away as packaging www.nova-security.co.uk www.nsiapproved.co.uk No PMs please unless i know you or you are using this board with your proper name. Link to comment Share on other sites More sharing options...
Rich Posted February 24, 2005 Share Posted February 24, 2005 Try moving the camera closer to the glass maybe, and try the foam tube, be careful not to mask the image. If your fitting it in low celing dark area I would think that camera would be ideal, Vandal resisting can be a right pain , especially with that invention the can of spray paint. Let us know how you get on with the suggestions. Link to comment Share on other sites More sharing options...
securitycctv Posted February 25, 2005 Author Share Posted February 25, 2005 Thanks all who replied. I think this was about what I was expecting. John Link to comment Share on other sites More sharing options...
securitycctv Posted February 25, 2005 Author Share Posted February 25, 2005 Thanks for your reply. with regards to separate leds, any good sources ? Link to comment Share on other sites More sharing options...
securitycctv Posted February 25, 2005 Author Share Posted February 25, 2005 Try moving the camera closer to the glass maybe, and try the foam tube, be careful not to mask the image.If your fitting it in low celing dark area I would think that camera would be ideal, Vandal resisting can be a right pain , especially with that invention the can of spray paint. Let us know how you get on with the suggestions. 41701[/snapback] Thanks Richard, will let you know further John Link to comment Share on other sites More sharing options...
Paul Giles Posted February 27, 2005 Share Posted February 27, 2005 Slide the foam up to the glass this will cure the problem, does on the genies anyway PG Security Systems Somerset SSAIB Certificate of Merit Installers. www.pgsecurity.co.uk Link to comment Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.