Re: IR and flash

[George L Smyth <glsmyth@xxxxxxxxx>]

--- Steve Hodges <shodges@xxxxxxxxxxxxxx> wrote:
> A cheap IR filter to place over your flash can be made from a piece of
> E6 5x4 film unexposed and developed.  This is visually opaque, but
> transmits IR quite well.  And it's a lot cheaper than an equivalent 87
> filter.

I would be VERY careful with doing this.  Although I have used this with
pinhole photographs, placing it over the flash unit could be dangerous.  As it
must absorb nearly all of the energy of your flash, there is a chance that it
could ignite (I have heard reports of this).

george

=====
Handmade Photographic Images
http://glsmyth.freewebsites.com

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