Re: IR response of meters

["phillip geller" <filje@xxxxxxxxxxx>]

>
> Here's a bit of an experiment for anyone interested. A TV remote control
is
> a nice bright source of IR, though I forget the exact wavelength. I know
> that it's visible with my IR converter and my B&W CCD cameras, and it's
> probably on the order of 800 um or there-abouts... It has to be "bright"
> enough to be seen by the TV in a daylit room. I can virtually guarantee
you
> that it will fog IR film! You might try metering the business end of the
> controller to see if your light meter is sensitive to the IR from the
remote.
>

been there - done that. yes it is to some extent.
cadmium sulfide cells work good as do non filtered
silicon cells and photo diodes especially.
you can use a tv remote to set off a flash slave.

phil

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