[chbot] Camera IR Filter removal

Richard Jones rjtp at ihug.co.nz
Mon Sep 15 03:12:26 BST 2008


<4E1AA140-F1B4-4A28-B9D0-EA655F75C867 at QtuTrains.com>
<32b9e6b591b1b83bc60b79bd208459c3 at ihug.co.nz> <9C9ED2BC-12FD-4684-AD54-5DCF1EF31FD0 at QtuTrains.com>
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Try this: http://www.hoagieshouse.com/IR/
Looks like you do it to a webcam you don't mind breaking, but also does not
look too hard.
A friend bought a Philips webcam to use with his telescope. Using some
software to integrate the images he had some stunning results bringing out
objects not visible to the naked eye. I suspect that involved removing the
IR filter. I'll post the model number when I next see him.

Richard

On Mon, 15 Sep 2008 11:16:16 +1200, QtuTrains <Howard at QtuTrains.com> wrote:
> 
> On 15/09/2008, at 10:56 , Richard Jones wrote:
> 
>> A dumb answer would be that the ability to remove the IR filter
>> depends on
>> the design of the camera.
>> This is not for the feint hearted: http://ghonis2.ho8.com/
>> rebelmodnew.html
> 
> Wow, Scary!
> 
> OK, you mentioned web cams. Do they not have an IR filter then?
> I don't need resolution for my application, just IR sensitivity.
> I'd like to be able to look at the heat loss at home, so I can figure
> where better insulation might have best effect...
> 
> Howard




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