If you’re looking for surveillance around-the-clock, infrared night vision cameras are a smart choice. These security cameras enable you to monitor your business or property overnight, when light sources are minimal. Night vision cameras have infrared (IR) LEDs which emit their own source of light, but of course, nothing is perfect. When using infrared cameras, you may come across some of these common IR issues.
Foam Ring
Keep in mind that not every camera will have one, but most of them do. The foam ring helps to eliminate the reflection of the IR light on the glass. When the IR light reflects off the glass and back into the lens, it will wash out your footage, essentially rendering your camera useless. If your camera seems to be missing a foam ring, first make sure that your camera should in fact have one. If so, to eliminate the issue, replace the foam ring.
While the aforementioned situation is rather unlikely, having an improperly placed foam ring is far more common. If the foam ring is not flush with the IR board, or the base of the lens, it will produce a similar effect as a missing foam ring. To correct this, you will need to open your camera and reposition the foam ring accordingly.
Glass
Most security cameras come with a thin plastic protective film over the glass on the camera. It is in place to protect the camera, however, it should not be left on when the camera is in use. Once your camera is installed and you are satisfied with the placement and viewing angle, remember to remove and discard the film covering.
Another common issue with the glass is obstructions. Dirt, dust, and fingerprints on the glass can create infrared glare which interferes with the quality of your footage. Be sure to clean the glass routinely to ensure that your cameras are obstruction-free.
Infrared Glare
As mentioned, debris on the camera or glass reflection can cause IR glare, but there are other common causes. With outdoor cameras, you want to avoid aiming your camera at reflective services (ex. bodies of water, large lightly colored surfaces). For indoor cameras, be wary of the items or furniture around your camera as they may be close enough to reflect the IR LEDs. Despite all this, the most common cause of IR glare is improper installation. Cameras should be carefully mounted and tested in both day and low light conditions before the job is completed.
Infrared Reflection
Here are some of the common things that cause IR reflection:
Infrared Obstruction
As mentioned, when an object is too close to your IR camera, IR light will cause overexposure. In turn, to compensate, your camera will automatically dim the picture, reducing the IR intensity of your camera. Again, proper placement, installation, and testing will minimize these issues.
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After investing your time and money into choosing the best security cameras to suit your needs, it can be frustrating to come across issues with them not working properly. When your security system is down, not only is it a nuisance, but it can leave your property vulnerable.
Before giving up on your security cameras and shopping for new ones, review these troubleshooting tips for common security camera issues.
If you need help choosing the right security cameras for your property, as well as installation services, feel free to contact us! You may browse our selection online at SecurityCamExpert.com or call 888-203-6294 to schedule a site survey or get a free quote. You can also find us on Facebook, Google+, Twitter, LinkedIn, and Pinterest.