Quote Originally Posted by Dan Quan View Post
with nothing to bounce from i would use the flash without any hindrance, just straight. you will gain NOTHING through filtration or pseudo bounce techniques, and only diminish your power.
Agree. Sto-fens and the Fong mini-toilet bowl diffusers aren't the answer. The OP's F100 and the SB25/26/28 speedlights should do the trick.