<<Unless you use fast film ie 400ASA then forget using brollies to shoot
through - as reflecters there may be just enough zap (technical term see
previous mailing) so that you can place the reflecter brolly far enough
away from your subject's head so that it is not in shot.>>
Ok! I'll bite.
A shoot through and a silver reflector are 2 different animals.
To make a long story short, the silver umbrellas are opaque. There is no
loss of light through the back. A shoot through loses a lot of light that
is bounced back without going through the umb...brollie.
The same goes for the type with removable black backing. some light goes
through
the transparent white satin and is not returned by the black backing.
For the most light, use a completely opaque brollie.
As for how close, I use a portable studio setup with 120W/S Max.
For a head shot 3 feet is plenty far away.
Charlie Loeven
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