SB-900 AF Assist Illuminator and 51 point AF

Discussion in 'General flash photography, lighting, and technique' started by Electromen, Sep 28, 2008.

  1. I just read the SB-900 user guide and found that with a D3 it will use AF Assist with all 51 points with lenses under 100mm.

    That alone is reason to order one, so I did.