
wbeaty commented on our IR Web cam post with a great tip (and link) “A couple of layers of Congo blue makes a great IR-pass filter. I use these on my own B&W CCD cameras to make low-cost IR converter scopes.”
wbeaty commented on our IR Web cam post with a great tip (and link) “A couple of layers of Congo blue makes a great IR-pass filter. I use these on my own B&W CCD cameras to make low-cost IR converter scopes.”
Shouldn’t these be goggles. not “googles?”
:)