Ideal for use with Nikon speedlights in multiple flash lighting setups to reduce background shadows, provide a second light for fill or main light purposes, and for background or accent lights.
When connected to an accessory Nikon Speedlight, the SU-4 enables wireless TTL multiple flash control while using the cameras built-in Speedlight as a master unit. The Diffuser SG-2 is provided to reduce the flash output of the built-in Speedlight.
You can use several SU-4 Flash Controllers simultaneously, too.
NOTE: This unit is not compatible with digital SLR cameras.
The Nikon SU-4 is commonly used for Home, Portraits, Studio and more.The Nikon SU-4 is most used by customers who consider themselves to be a Semi-professional among others.The Nikon SU-4 is popular because customers like the following qualities of the Nikon SU-4: Durable, Easy to use, Lightweight and Reliable