Nikon recently released a firmware update for the SB-900 strobes to version 5.0.2. Some of the changes include :
This issue has been resolved. By resolving this issue, metering precision has been further increased and the number of times the flash fires has also been increased.
Visit the link(s) below for the update if your strobe is not using version 5.0.2 as well as complete step by step instructions on how to update your strobe.
Windows: http://support.nikontech.com/app/answers/detail/a_id/16174/session/L2F2LzEvc2lkLzFCN0ViRklq
Macintosh: http://support.nikontech.com/app/answers/detail/a_id/16175/kw/SB-900%20Firmware/r_id/116678
















