Re: Weddings & IR flash

["Willem-Jan Markerink" <w.j.markerink@xxxxx>]

On 20 Aug 96 at 9:52, Tom Benedict wrote:

> I just ran a flash test on my last roll, and should have it developed
> and gallery-ready by next weekend (I hope!)  I'll let you know how it
> comes out.
> 
> As for foil to cover a flash with, a #25 red and #47A blue in combination
> make a very sharp chop at 700A.  I've run a test comparing #25 and #25/#47A
> combination, and the results are almost identical in every respect (more
> stuff for the gallery).  That combination on a flash makes for a completely
> invisible flash.  Might be cheaper than #87C foil.

Are you sure about this *complete* invisibility, even when looking into 
the flash?? 
According to my literature, you need a cut off wavelenght of 1000nm 
to get rid of even the faintest red. The flash output is just too 
large for the human eye [see also other message].



 
--
Bye,

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The difference 
between men and boys
is the price of their toys

<w.j.markerink@xxxxx>
[note: 'a-one' & 'en-el'!]

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Topic No. 16