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P3D Re: ambient flash


  • From: JNorman805@xxxxxxx
  • Subject: P3D Re: ambient flash
  • Date: Mon, 19 Apr 1999 16:16:19 EDT

George T. writes

<< I was
 thinking of using FL filters in the camera and a light green filter in
 the flash. >>

That's exactly the way to deal with fluorescent lighting, with a couple of 
caveats:

1. Not all fluorescent lights are the same temperature, and not all will 
cause the same sickly green cast on daylight film (some, engineered 
specifically to produce daylight, require no filtration; while others will 
cause a different sickly green cast).  It pays to experiment.  When I used to 
do this stuff for a living, I carried a polaroid  camera around with me to 
see what the unfiltered and filtered results would be.

2. The light green gel you'd normally use over the flash is a specific light 
green.  My memory may be hazy on this, but I think it's called "straw green." 
 Because it was so light, I didn't have to use any additional "filter factor" 
for the strobe.

3. The FL-D filter is usually such a dark cast that it can cost you as many 
as two stops in exposure.  Unless you're shooting non-moving interiors (with 
slow shutter speeds and a tripod), you'll have to use 400 ISO film.

Jim Norman


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