Re: black & white quickcams

[phillip geller <filje@xxxxxxxxxxx>]

Joseph O'Neil wrote:
> 
> Hi Everyone;
>         I recently bought myself, used, a B&W qucikcam. \.....
\
>         It has made me to think that most of the CCD chips used in video cameras
> must be IR sensitive.  

Yes this is true.  They put in IR blocking filters to tone down the
color distortion
from the IR sensitivity.



>         I heard about the suppoedly "x-ray vision" Sony cameras (gave me a good
> laugh), but I think all of these cameras are IR ready - just have to yank
> that filter out.  You probally woudl not want to do this with a new,
> expensive camera, but an old "junker", makes you think, eh?
> joe

No yanking necessary, you just flip a switch on the side and it slides
out
of the way. 
BTW the cds cell in my older 35 mm camera is more sensitive to IR than
the sbc cell with the bluish green filter over it in my newer slr.
Phil.

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