![]() 05/08/2017 at 12:27 • Filed to: None | ![]() | ![]() |
Your phone camera can see the infrared light from your TV remote.
![]() 05/08/2017 at 12:32 |
|
So can electric guitar pickups.
![]() 05/08/2017 at 12:35 |
|
Most camera sensors see infrared, and usually have physical filters applied to block it for signal quality improvements.
Infrared is 700nm to 1mm.
Sony use to have camcorders with a great night vision mode, but that lead to a lot of people figuring out ‘sheer’ clothing is mostly invisible in infrared.
![]() 05/08/2017 at 12:38 |
|
Yup. You can make an IR camera by removing the IR filter from a standard point-and-shoot and replacing it with the dark part from the end of a roll of film.
I’ll have to put up some pics sometime.
![]() 05/08/2017 at 12:39 |
|
You used to be able to buy IR sensitive film too.
![]() 05/08/2017 at 12:45 |
|
You still can:
https://www.bhphotovideo.com/c/product/1139495-REG/rollei_agfa_81040123_infrared_400_black_and.html
https://www.bhphotovideo.com/c/product/150955-REG/Ilford_1901029_SFX_200_Infrared_120mm.html
![]() 05/08/2017 at 12:50 |
|
Now that’s the kind of useless knowledge I like.
BTW, you can double or triple the range of you car’s central locking remote by touching your head with the fob.
![]() 05/08/2017 at 13:16 |
|
I shot a roll once when I did darkroom back in HS. It was really neat.
![]() 05/08/2017 at 16:03 |
|
Iphones can’t however, or atleast my dad’s cant. my android phone can however.
![]() 05/08/2017 at 18:41 |
|
If this is something you do a lot, you can also buy these little cards.
http://www.mcmelectronics.com/product/DISTRIBUTED-BY-MCM-72-6772-/72-6772