Automatic Flash

Automatic Flash Speedlite Universal for Nikon 5600K 18 180mm 0 270 Degrees
US $64.54
X800 top flash 1 / 8000 high speed synchronous TTL automatic meteringCD50
US $369.00
SYD 261A Automatic Pensky Martens Closed Cup Flash Point Tester
US $8606.32