This is what you need to use flash on distant objects. It is effective and affordable. The unit is in mint condition and works perfectly.
This model was made for the SB-600 and SB-800 but should work with any similarly sized flash.
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device
Choosing a selection results in a full page refresh.
Press the space key then arrow keys to make a selection.