Re: Shooting in complete darkness

[George L Smyth <GLSmyth@xxxxxxx>]

Lucien Desar wrote:
> 
>         A friend of mine asked me the other day if infrared film would
> work well for surveillance work . Is it possible to do it without an
> infrared light  shooter (please excuse the lack of the correct term :) )
> using HIE 135 ? It would seem that if the film is labeled as being "high
> speed" than it should work under very low lighting conditions, however,
> everytime I try to use it under low lighting conditions it never comes
> out (I set it for asa25 with a red filter, should I set it for 1600 ? )

The film is labeled "high speed" because it is a higher speed than its
low speed predecessor.  If you want to shoot in darkness you will want
to place an opaque filter over your flash unit.  I address this issue in
"Rethinking Infrared Photography - Dispelling Myths" on my Web site,
listed below.

Cheers -

george

-- 
 Handmade Photographic Images     
  http://www2.ari.net/glsmyth

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Topic No. 10