In rec.photo.digital ZenDiver <spicedhamme@[EMAIL PROTECTED]
> wrote:
> jbk wrote:
>> We have a digital camera that takes IR photos of animals at night when
>> they come by and trigger a sensor. The camera is IR sensitive and we
>> have a separate IR light that lights up the scene. We'd like to
>> improve the lighting by bouncing the IR light off a reflector, instead
>> of directly lighting the subject. Do visible-light reflectors sold in
>> camera shops reflect IR light? If not, what does?
>>
>> Thanks.
> You could try baking foil. That should pretty effectively reflect IR.
> If you crumple it up and spread it out you should also get a pretty
> evenly diffused 'light' off it. You might even be able to paint the
> surface dark so as not to spook the animals with a big shiny thing.
> Cheap to try out, so give it a go.
> I am just speculating about how effective this will be but it should
work.
Look at the various materials through the live view of the IR camera,
or if it doesn't have live view, snap and chimp. That will tell you
how reflective they are.
--
Chris Malcolm cam@[EMAIL PROTECTED]
DoD #205
IPAB, Informatics, JCMB, King's Buildings, Edinburgh, EH9 3JZ, UK
[http://www.dai.ed.ac.uk/homes/cam/]
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