Welcome, Guest. Please login or register.

Author Topic: I never knew this...  (Read 3807 times)

Description:

0 Members and 1 Guest are viewing this topic.

Offline iamaboringperson

  • Hero Member
  • *****
  • Join Date: Jun 2002
  • Posts: 5744
    • Show all replies
Re: I never knew this...
« on: July 05, 2004, 01:08:49 AM »
Quote

KennyR wrote:
...that webcams can see the IR LED on remote controls light up. Try it yourself - here it shows a whitish-purple. I can even see the LED lighting up nearby objects. It's totally invisible to the naked eye.

So...if I had an IR flashlight, I'd be able to 'see' in the dark with a normal webcam? Surely not...
Yes, you can see in the dark.

I learned about 10 years ago that VHS (etc. etc.) camera's will do that, also.

Some CCD cameras come with a bunch of IR LED's attatched for night viewing.