Re: IR and flash

[Steve Hodges <shodges@xxxxxxxxxxxxxx>]

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.

Clive Warren wrote:
> 
> One advantage of placing the filter over the flash would be to disguise the
> fact that you are taking a photo, or to avoid disturbing someone/thing with
> a burst of flash light.
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