More on Amazon.com : http://www.amazon.com/gp/product/B000GI0S2G?tag=thefatkidin06-20 <br /> <br />Wein W940050 (L8) Micro Slave (Indoor Range-150-Feet) for Camera <br /> <br />150 Range <br />If your key flash emits a pre-flash Wein recommends using the camera in manual mode so that no pre-flashes are emitted <br />Requires sync voltage of at least 5 V
