How to detect infrared camera?

[ Step by Step guide ]

Hello everyone!

Let’s talk on how to detect infrared camera in detail.

Infrared camera is primarily used to capture moments in the low light or in the dark. They are also called night vision camera.  As name indicates, infrared cameras emit infrared lights (IR lights) which has frequency 430 THz down to 300 GHz. These lights are invisible to human eye. So even if there is a bulb glowing with IR light, human being will not be able to see it.

So how can we detect infrared camera?

There is brilliant trick out there. Even though infrared lights are invisible to human eye, our digital cameras can sense IR light. Digital camera will show IR light as visible white or blue light in the camera preview.

Let’s see step by step guide to detect infrared camera 

Step 1: Open camera of your phone or open hidden camera detector app on your android or iOS device (If you are iOS user, app will always open front camera because apple has applied IR filter on the back cameras. Meaning back camera of your iPhone filters IR light and you wont be able to see that in the preview.)

Step 2: Scan your surroundings 360° and carefully inspect camera preview. If you see any white light or blue light in the camera preview that is invisible to naked eye then that is infrared light.

Step 3: Such infrared light can also be infrared camera.

Note: There could be many devices that may have infrared lights, not necessarily a camera. For example, reflection of your phone’s IR blaster in the mirror, TV remote control etc. So always check kind of device that is emitting IR lights. If you see lens on such device, you can ask more information to the premises owner

Can I test this in advance?

Yes, you can test it. Take remote control of any device. See tip of it and press any button. You will not see anything.

Now open hidden camera detector app and point remote control towards the camera preview and press any button. You will see white/blue light that you do not see with your naked eye.

FAQ

No, you do not need to move app closer. You can detect IR camera as per the preview coverage. Hence it is advisable to scan 360° to cover maximum area. If you have doubt on specific device or specific area in the room, you can move app closer and  inspect more.

App do support zoom option which you can leverage.

Yes, any digital camera can detect IR light. You do not need app only for this sole purpose, however app is bundle of many detection techniques and as soon as new detection techniques are identified, you will automatically get the updates. 

In addition to that, app also offer some great filters to help you detect IR light clearly by minimizing brightness and high contrast filters.   

For iOS, app directly open front camera saving manual efforts as well as offers zoom option on the front camera which default iOS camera do not offer.

As we mentioned, IR lights are captured by digital camera sensors and those are shown in the camera preview.

In case app is unable to detect IR camera, kindly check

  1. If the IR camera is really based on IR technology and not something else.
  2. Position of IR blaster in that camera
  3. In case IR intensity is low, try to switch off all the lights and then perform the scanning. 

Write down your comments below if you more questions.

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93 Responses

    1. If you are unable to see light with naked eye (You can make it dark) and see green light in the camera preview, it is IR light and could be IR camera. But you should find a lens to confirm if it is IR camera and not just IR blaster for any fancy feature.

      Reply

      1. Jako ta kamera na noční kameru je pecka to ostatní ne přijde už zbytečný protože to není nepřesný to by chtělo ještě vylepšit a bylo by to bomba až bude ten zbytek přesný na detektce kamer tak to bude opravdu pecka

        Reply

  40. It felt like someone was watching me every time I use the bathroom and my business. Scan the bathroom with infrared nothing came up hit it with that thermal though bing bing bing bing bing. Hidden camera on the back of the beer about the size of a dime. Too bad they weren’t smart enough to randomize the MAC address

    Reply

  46. I don’t know how to use that app I have used it but it shows me green everywhere so is there a hidden camera there

    Reply

  58. I found a camera my sister put in my room size of a dice infection camera was to look like a dice I threw it away said nothing. But I could tell she knew she was busted.

    Reply

  59. No vi ninguna luz blanca pero si emitia un sonido repetitivo tambien cuenta como deteccion de luz infrarroja?

    Reply

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