Pre-Owned - Nikon SU-4 Wireless Remote TTL Flash Controller

100 Day Warranty

Excellent condition. All functions have been tested and are working as intended. There is no visible wear on the controller. Please see pictures for more details.

Information from the manufacturer:

The Nikon SU-4 Wireless TTL Slave Flash Controller enables wireless remote TTL slave flash with any current Nikon Speedlight. The SU-4 detects the firing of the master flash (including built-in pop-up flash) on Nikon cameras, and sends a firing start signal to the slaved unit. The SU-4 stops the firing of the slaved flash by detecting the firing stop of the master flash. Use of SU-4's eliminates connecting cords. Operates up to approximately 23' from the location of the main flash.