Monthly Archives: October 2008

SB-900 SU-4 Optical Slave Mode

Nikon SB-900 Speedlight

Nikon SB-900 Speedlight

Like the SB-800, the SB-900 includes a handy SU-4 mode. This allows the SB-900 to be optically triggered by seeing any other flash, even a non CLS flash. Using the SB-900 in SU-4 / Manual mode allows you to control the output just like any studio flash. However, unless my units are faulty Nikon seems to have forgotten the audio beep function to notify you when the SB-900 has completed the recycle and is ready to fire again. I always liked this on the SB-800 and it’s one more backwards step that I hope they will address in a future firmware update. Continue reading

SB-900 – CLS Wireless Remote


SB-900_PWR_REMOTETo set the SB-900 to wireless remote mode (CLS), press and hold the power button and rotate the switch to the ‘REMOTE‘ position.

The LCD will now display the options for Remote mode, allowing you to select the Channel number, Group number and Zoomed head position. Continue reading