Infrared S2000
Registered User
Joined: Oct 2000
Posts: 15,323
Likes: 28
From: Longmont, CO
Those look beautiful.
Regarding imaging a hot engine bay - digital cameras can only see into the near infra-red, usually the 750nm to 1000nm range from what I've read. To see something like engine heat, you need to image the FAR infra-red spectrum of 10,000 to 100,000 nm - which requires stuff like liquid nitrogen cooled imagers.
So you can use digital camers to take a picture of your hot electric stove JUST BEFORE it starts to glow in the visible spectrum, but that's it. So glowing hot headers will work, but typical temps from coolant won't.
Poindexter, does your camera come with an internal IR filter you had to take out?
Regarding imaging a hot engine bay - digital cameras can only see into the near infra-red, usually the 750nm to 1000nm range from what I've read. To see something like engine heat, you need to image the FAR infra-red spectrum of 10,000 to 100,000 nm - which requires stuff like liquid nitrogen cooled imagers.
So you can use digital camers to take a picture of your hot electric stove JUST BEFORE it starts to glow in the visible spectrum, but that's it. So glowing hot headers will work, but typical temps from coolant won't.
Poindexter, does your camera come with an internal IR filter you had to take out?
Thread Starter
Former Moderator
Joined: Oct 2003
Posts: 24,162
Likes: 3
From: Burlington, VT
Originally Posted by Elistan,Jul 29 2005, 03:28 PM
Poindexter, does your camera come with an internal IR filter you had to take out?
IR works okay indoors too - just be sure to turn most lights off.
