cheap wireless transmitter

 What is it about gadgets and gizmos that have such strong appeal?  You may recall that in recent posts, I only just figured out a way to activate a slave flash trigger ($11.99) by a homemade adaptor cable.  Then, I learned that someone claimed you can use a dark blue and red piece from a gel swatch book ($3.76) to filter out visible light and wirelessly activate that same optical trigger.  I tried it, but for some reason, I can't figure out how to make it work as reliably as the wired setup.  You can see that the camera's flash is still visible as a mild purplish light, but it doesn't reflect a significant amount of light from your subject. so that on those rare occasions that I can get this thing to work, this plastic shield that I taped to my popup flash functions as a wireless transmitter.  Cool!

Here's one of the tests that I did.  One of the failed attempts made me look like a ghost, and I posted that pic on Facebook.  Oh, and it was done on a Saturday, while I was grubby.  And yes, I know that I'm badly in need of a haircut.  But this is not about me being a model, okay?