daubs8 Posted December 9, 2008 Share Posted December 9, 2008 I have 2 cameras which are zoomed to see registration numbers in and out of a site. I could do with further illumination for night time recognition. Don't know whether to try infra-red first or white light? Anybody any thoughts?? Ta. Link to comment Share on other sites More sharing options...
james.wilson Posted December 9, 2008 Share Posted December 9, 2008 It depends on your camera. White light will work with all cameras. There are special cameras (eg derwent regcam) designed to reliably capture plates in any lighting condition. Using std cameras wont work in all circumstances. Peak white inversion will help but you you need to consider vehicle speed and any effect in available light increasing the shutter speed may have. James securitywarehouse Security Supplies from Security Warehouse Trade Members please contact us for your TSI vetted trade discount. Link to comment Share on other sites More sharing options...
daubs8 Posted December 9, 2008 Author Share Posted December 9, 2008 It depends on your camera.White light will work with all cameras. There are special cameras (eg derwent regcam) designed to reliably capture plates in any lighting condition. Using std cameras wont work in all circumstances. Peak white inversion will help but you you need to consider vehicle speed and any effect in available light increasing the shutter speed may have. James Thanks James. It's a Concept Pro VCP451 zoom, data sheet is here: http://www.videconcctv.net/info_pdf/761_vc...20DATASHEET.pdf Any further thoughts? Thanks. Link to comment Share on other sites More sharing options...
dmitry Posted December 9, 2008 Share Posted December 9, 2008 Thanks James. It's a Concept Pro VCP451 zoom, data sheet is here: http://www.videconcctv.net/info_pdf/761_vc...20DATASHEET.pdf Any further thoughts? Thanks. 1. White light can blind the driver 2. IR complete with the is low-sensitive camera (more than 50 lux) usually apply to get rid of influence of external extraneous moving light sources (the sun, headlights of the car, shaking lanterns, etc.) which can do patches of light and light number of the car. At a choice of the inexpensive decision of the characteristic of the camera not so are important, as the chosen foreshortening. Or you can choose special cameras at which installation it is possible to not pay attention to external conditions - all will be well visible. It just cameras with powerful IR illumination and low sensitivity Link to comment Share on other sites More sharing options...
daubs8 Posted December 9, 2008 Author Share Posted December 9, 2008 1. White light can blind the driver2. IR complete with the is low-sensitive camera (more than 50 lux) usually apply to get rid of influence of external extraneous moving light sources (the sun, headlights of the car, shaking lanterns, etc.) which can do patches of light and light number of the car. At a choice of the inexpensive decision of the characteristic of the camera not so are important, as the chosen foreshortening. Or you can choose special cameras at which installation it is possible to not pay attention to external conditions - all will be well visible. It just cameras with powerful IR illumination and low sensitivity Thanks Dmitry. I know you tried with your English but not quite clear enough for me? Link to comment Share on other sites More sharing options...
dmitry Posted December 9, 2008 Share Posted December 9, 2008 Thanks Dmitry. I know you tried with your English but not quite clear enough for me? You are wellcome. I didn't try to surprise you, I told you my opinion. To be exact it's the theory which we embody in practice more than 7 years. Link to comment Share on other sites More sharing options...
daubs8 Posted December 9, 2008 Author Share Posted December 9, 2008 Ahh right the theory, thanks! Link to comment Share on other sites More sharing options...
dmitry Posted December 9, 2008 Share Posted December 9, 2008 Ahh right the theory, thanks! Wellcome. We use this one http://resource.boschsecurity.com/document...T5005531019.pdf and this one http://products.boschsecurity.co.uk/en/GB/...a44c657be14f93e and don't asked about illumination Link to comment Share on other sites More sharing options...
daubs8 Posted December 9, 2008 Author Share Posted December 9, 2008 Wellcome. We use this one http://resource.boschsecurity.com/document...T5005531019.pdf and this one http://products.boschsecurity.co.uk/en/GB/...a44c657be14f93e and don't asked about illumination Thanks again, however the only price I can find for this camera is $1115.00!! I don't need it to be that specialist so i'll have another think. Link to comment Share on other sites More sharing options...
dmitry Posted December 10, 2008 Share Posted December 10, 2008 Thanks again, however the only price I can find for this camera is $1115.00!! I don't need it to be that specialist so i'll have another think. Yes, a real price high. For this reason I spoke you, that in your situation the greater role is played with a correct foreshortening (an arrangement of the camera). Can you send the scheme of a situation? Drowing which will show: the sizes of road (where it's necessary to fix numbers of cars), the basis on which you plan to install the camera (a wall, a stage, a column or something else), external light sources (lanterns in the street, illumination of buildings, etc.). Then conversation will be more correct and we can give you exact recommendations. Link to comment Share on other sites More sharing options...
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